Related to: 'The Photographer's iPad'

Chris Gatcum

Chris Gatcum has lived and breathed photography for over two decades, working as a pro photographer, journalist, specialist magazine and book editor, and best-selling author. A passionate advocate of experimental digital and traditional photography, he is as comfortable conducting technical camera tests as he is demystifying the art of photography for the rest of us.

Dan Doherty

Dan Doherty is the Chef Director at London's Duck & Waffle, with a restaurant on the 40th floor of Heron Tower in the City of London and the more informal Duck & Waffle Local in London's West End. He won Tatler's Rising Star Chef award at their 2013 Restaurant Awards and the Guardian declared him 'among the high priests of Britain's culinary revival'.He has appeared on BBC 1's Saturday Kitchen and Channel 4's Sunday Brunch and regularly speaks and demonstrates at festivals and events including Taste London and Meatopia. His second book, Toast Hash Roast Mash, was published in 2016.

David Nightingale

David Nightingale is an instructor for the Perfect Picture School of Photography in the United States, running the successful online course Unleashing the Power of High Dynamic Range (HDR) Images. He is the director of Chromasia Training, a company specialising in all aspects of photographic training and post-production, and a regular contributor to Digital SLR User magazine.

Diana Henry

Diana Henry has a weekly column in the Sunday Telegraph, writes for BBC Good Food, Red and House & Garden, and is a regular broadcaster on BBC Radio 4. She has won numerous awards for her journalism and books, including Cookery Journalist of the Year from the Guild of Food Writers (three times), Cookery Writer of the Year at the Fortnum & Mason Food Awards in 2013 and 2015, and Fortnum & Mason Cookery Book of the Year for Simple in 2017.www.dianahenry.co.ukInstagram: @dianahenryfoodTwitter: @dianahenryfood

Dixie Dixon

The multiple award-winning Dixie Dixon masterfully captures her clients' products in the ideal context for their needs, whether that's traditional high fashion, a print campaign, or an Instagram feel. Trained in London and based in Texas, she works around the world, regularly speaking about photography for Nikon. Her fresh vision has attracted clients such as Nikon, Disney, Virgin, Advanced Beauty, Florsheim Shoes, MAC Group, Magpul, Billy Jealousy, Nha Khanh, Pipers Perfumery, and Macadamia Professional to name a few. Her work has been published in publications such as Rangefinder, PDN, Professional Photographers Magazine, Dapper Magazine, Living Magazine, Beverly Drive Magazine, Nikon World and many more.

Dr Robert A Emmons PhD

Robert A Emmons, PhD is Professor of Psychology at the University of California, Davis, where he has taught since 1988.He received his PhD degree from the University of Illinois at Urbana-Champaign. He is the author of nearly 200 original publications in peer-reviewed journals or chapters and has written or edited five books, including The Psychology of Ultimate Concerns (Guilford Press), The Psychology of Gratitude (Oxford University Press), Thanks! How Practicing Gratitude Can Make You Happier (Houghton-Mifflin) and Gratitude Works! A Twenty-One Day Program for Creating Emotional Prosperity (Jossey-Bass).A leader in the positive psychology movement, Dr Emmons is founding editor and editor-in-chief of The Journal of Positive Psychology.He is Past-President of the American Psychological Association's Division 36, The Psychology of Religion. His research focuses on the psychology of gratitude and thankfulness in both adults and youth, and how they are related to human flourishing. His interests also include the psychology and spirituality of joy and grace as they relate to human flourishing.Dr Emmons has received research funding from the National Institute of Mental Health, the John M Templeton Foundation, and the National Institute for Disability Research and Rehabilitation. His research has been featured in dozens of popular media outlets including the New York Times, USA Today, US News and World Report, Newsweek, Time, NPR, PBS, and The Wall Street Journal.

Emma Spitzer

Emma Spitzer was born and raised in Brighton, southern England, to Jewish parents of Polish and Russian descent.Following her success on reaching the final of BBC 1's MasterChef, Emma has been in high demand. She has been teaching cookery classes and demonstrating at food festivals, running sell-out supper clubs and catering for private dining events. Emma's popularity on the show is evident through her social media following, with more than 50,000 followers on Twitter. She lives in north London with her husband, four young daughters and their cat.

Haje Jan Kamps

Haje Jan Kamps set up his first photo website at the age of 16 and is now one of the world's best-read photography bloggers; his site photocritic.org has thousands of visitors every day. Shooting with any camera he can, including his smartphone, he has built a successful freelance career, and written books for serious professionals and hobbyists alike, including bestseller 'The Rules of Photography & When To Break Them'. He has also founded a photography technology company, Triggertrap, which sells smart remote releases.

Harumi Kurihara

Harumi Kurihara's cooking, lifestyle books and magazines have made the charismatic former housewife a phenomenon in her native Japan and she has sold more than 20 million copies worldwide. She currently has more than 60 shops and cafés in Japan that sell her homeware, cookware and clothing ranges. Her success is rooted in her effortless, down-to-earth and unpretentious approach to stylish living and eating, which follows a philosophy of elegance and simplicity. Harumi's own inspiration derives from her traditional upbringing in a big family in central Japan. Later, as a full-time housewife and mother, married to Reiji Kurihara, a former TV anchorman, she found her talent to create delicious, simple to prepare, fashionable meals, without great expense. This skill, combined with her eye for simple, beautiful and practical home decoration has made her the most celebrated lifestyle authority in Japan.

Imogen Dyer

Imogen Dyer is the unstoppable on-screen talent behind Weekly Imogen, the phenomenally successfully photography tips & tutorials YouTube channel which averages 50,000 views a day. Imogen and Mark began their photographic partnership in 2009 after a chance meeting at a village fete. Mark posted the images they shot together online and such was their success that they launched a YouTube channel to share their tips and techniques with Imogen presenting. Thus WeeklyImogen was born. In just four years it has become one of the biggest channels on YouTube, with over 150,000 subscribers and well over a million views a month with no sign of the growth slowing down.

John Vincent

John is co-founder of Leon, which now has more than 45 restaurants (including one in Amsterdam). He wrote Leon Naturally Fast Food with Henry Dimbleby, Leon Family & Friends with Kay Plunkett-Hogge, Leon Happy Salads and Leon Fast & Free with Jane Baxter and Leon Happy Soups with Rebecca Seal. He believes food has the power to delight, invigorate and bring people together. He thinks that our relationship with food should be positive and joyous and that we need to listen more carefully to our gut, eat more good fats, less sugar. And a whole lot more plants.

Judith Miller

Judith Miller began collecting in the 1960s while a student at Edinburgh University in Scotland. She has since extended and reinforced her knowledge of antiques through international research, becoming one of the world's leading experts in the field. In 1979 she co-founded the international best-seller Miller's Antiques Price Guide and has since written more than 100 books which are held in high regard by collectors and dealers.Judith Miller appears regularly on TV and radio. She is an expert on the BBC's Antiques Roadshow and has co-hosted the popular BBC series The House Detectives, ITV's Antiques Trail, and Discovery's It's Your Bid. She has appeared on The Martha Stewart Show and CNN. She is a regular lecturer and contributor to numerous newspapers and magazines, including the Financial Times, the Daily Telegraph, BBC Homes & Antiques and House & Garden. She has lectured extensively, including at the V&A in London and the Smithsonian in Washington.

Judy Hall

Judy Hall is a leading authority on crystals and spiritual development. She has over 45 years of experience in crystal healing, karmic astrology and past-life therapy. She is the author of over 40 books, including the bestselling The Crystal Bible (2003) and The Crystal Bible 2 (2009) and The Crystal Bible 3 (2013). The Crystal Bible has sold over 1 million copies worldwide and Judy's books have been translated into over 15 languages. Judy was voted the 2014 Kindred Spirit MBS personality of the year and she was listed in the 2015 Watkins Review of the 100 most spiritually influential authors.

Kay Plunkett-Hogge

Kay Plunkett-Hogge is an acclaimed food and drinks writer, and the author of Adventures Of A Terribly Greedy Girl (Mitchell Beazley, 2017), A Sherry And A Little Plate Of Tapas (Mitchell Beazley, 2016), Heat: Cooking With Chillies (Quercus, 2016) and Make Mine A Martini (Mitchell Beazley, 2014).In addition to her own books, Kay has co-authored a further six books, working with the award-winning chef Bryn Williams on his two books Bryn's Kitchen and For The Love Of Veg, Academy Award nominated actor Stanley Tucci on his second cookbook The Tucci Table, and with the American pizza guru Chris Bianco. She also co-wrote Leon: Family and Friends with John Vincent and Cook Yourself Thin: Quick and Easy.Born and brought up in 1970s Bangkok, Kay spent her childhood between two kitchens - inside for Western food, outside for Thai - before forging an international career in the film and fashion industries. It is an experience which has given her an in-depth knowledge of cuisines from all over the world.Kay began her food career when she set up a bespoke location catering service for fashion shoots. Since then, and in addition to her writing, she has worked as a food consultant for a variety of restaurants and bars, including Leon, The Formosa Café, Isola del Sole, Ma Goa and The Luang Prabang Motorcycle Club.Her cult book, Make Mine A Martini, was the Financial Times's pick for drinks book of the year, led to her induction into the Gin Guild (in the words of Heston Blumenthal: "She shakes a damn fine cocktail.") and her writing regularly on cocktails for The Daily Telegraph and Sainsbury's Magazine. She has also written for the FT Weekend, Delicious and Olive, and has published recipes in The Times, Hello and Borough Market's Market Life magazine.And her next book, Aperitivo: Drinks And Snacks For The Dolce Vita, will be published by Mitchell Beazley in June.She lives in London with her husband, two cats and a dog.

Mark Wilkinson

Mark is an exceptionally talented self-taught photographer who delights in taking portraits in simple settings and extracting every last ounce of colour, texture and, crucially, natural light. Mark prides himself on working with an entry level Canon SLR, and a variety of lenses, though mainly a standard 50mm f1.8 lens. His personal photographic journey started when he was bought the wonderful Olympus Trip for his 12th birthday.www.weeklyimogen.com

Matt James

Matt James is a garden designer, broadcaster and senior lecturer teaching on horticulture degree programmes at the Eden Project, Cornwall, where he also manages a respected HND in Garden & Landscape Design. Channel 4's The City Gardener introduced Matt to the gardening public; the series was later broadcast around the globe. Two series about urban garden design in the US soon followed. Matt continues to make regular appearances on television and radio, including BBC Radio 4's Gardeners' Question Time. Matt's previous four books include RHS The Urban Gardener (Mitchell Beazley), and he has also written widely for many publications in garden design and gardening. Matt has won awards for his design work and continues to run a design practice based in Cornwall, working in the UK and abroad.

Michael Donald

Michael Donald is an award-winning photographer and filmmaker. He shoots commissions for The Sunday Times, the Telegraph, the Observer and the Guardian, and his work has been published the world over. He has also had work exhibited in Berlin, New York, Los Angeles, Philadelphia, Paris, at the National Portrait Gallery in London and at the permanent Centenary Exhibition in Belfast's City Hall.

Michael Freeman

Michael Freeman, professional photographer and best-selling author, was born in England in 1945, took a Masters in Geography at Brasenose College, Oxford University, and then worked in advertising in London for six years. In 1971 he made the life-changing decision to travel up the Amazon with two secondhand cameras, and when Time-Life used many of the pictures he came back with, he embarked on a full-time photographic career.Since then, working for clients that include all the world's major magazines, most notably the Smithsonian Magazine (for which he has shot more than 40 stories over 30 years), Freeman's reputation as one of the world's leading reportage photographers has been consolidated. Of his many books, which have sold over 4 million copies worldwide, more than 60 titles are on the practice of photography. For this photographic educational work he was awarded the Prix Louis Philippe Clerc by the French Ministry of Culture.Freeman's books on photography have been translated into 27 languages.

Rosemary Shrager

Rosemary Shrager's passion for food started at the tender age of six, and she's been creating delicious dishes ever since. She has worked with some of the world's top chefs, including Pierre Koffmann and Jean-Christophe Novelli; she charms and cajoles her students as she teaches, demonstrates and enthuses about cookery at her cookery school in the UK and in appearances around the world; and she's been showing us all how to eat fantastically in her popular TV shows on three continents. Find out more about Rosemary at www.rosemaryshrager.com.

Sabrina Ghayour

A chef, food writer and cookery teacher, Sabrina Ghayour is one of the strongest voices in Middle Eastern food today. Past collaborations include the 'Passage to Persia' pop-up with Anna Hansen at The Modern Pantry with guest chefs Ben Spalding, Omar Allibhoy, Alexis Gauthier and Tim Anderson, Oliver Peyton's 'Friday Night Socials' at The National Gallery and a pop-up at Grain Store with chef Bruno Loubet.With regular appearances at the BBC Good Food Show, Taste London and more, her work has featured in The Times, The Sunday Times, the Evening Standard, the Guardian, The Independent, The Telegraph, delicious. magazine, Waitrose Food magazine, Sainsbury's Magazine and BBC Good Food magazine. She has also appeared on BBC1's Saturday Kitchen, BBC2's Great British Menu and Channel 4's Sunday Brunch.Sabrina's debut first cookbook, Persiana, was awarded 'Best New Cookbook' at the Observer Food Monthly awards 2014 and 'Book of the Year' at the 2015 Food & Travel Awards. Her follow up, Sirocco, debuted at no. 1 and was a Sunday Times bestseller.Connect with Sabrina at www.sabrinaghayour.com Twitter @SabrinaGhayourInstagram @SabrinaGhayour