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Our consultants

Sean Callery

An experienced author and teacher, Sean Callery has researched and written more than 50 books published by Macmillan, Scholastic, HarperCollins, OUP and many others. He studied history and politics as part of his degree and worked in journalism and as a teacher before starting to write books, specialising in history, sport and general reference. He also writes fiction and and plays. www.seancallery.co.uk

Professor Ian Fairchild

Ian Fairchild is Professor of Geosystems at the School of Geography, Earth and Environmental Sciences, University of Birmingham, England. He is a geoscientist with broad interests in the geochemistry and geomorphology of the Earth’s surface, climate change and Earth history. At Birmingham he teaches geomorphology and the study of how the Earth has changed through the Ice Ages.

Dr Mike Goldsmith

Mike Goldsmith studied physics at Keele University, from where he also obtained a PhD in astronomy. He then specialized in the study of sound, later becoming the head of the Acoustics Group at the UK's National Physical Laboratory. He is now a freelance scientist. Since 1998 he has also been a science writer—mainly books for children. He has written more than 50 titles, two of which were shortlisted for what is now the Royal Society Prize for Science Books. www.mikegoldsmith.weebly.com

Nicholas Harris

Nicholas Harris is an experienced author and editor of information books for children. He studied Geography at the University of Sheffield, England, before starting his career as a cartographic editor at the world-renowned map and atlas publisher, George Philip and Son and going on to be Managing Editor at Hamlyn. He founded the children's non-fiction book specialist Orpheus Books Ltd in 1992 and has since written many titles on geography, history, science, astronomy and prehistory. Titles include Picture Atlas of the World (HarperCollins), First Atlas (Hammond), Journey to the Centre of the Earth (Reader's Digest), The Story of Life on Earth (Oxford) and Fast Forward: Dinosaur (Barron's).

Dave Hawksett

Dave Hawksett is an astronomer, science writer, lecturer and broadcaster. As Science & Technology Consultant at Guinness World Records, he provides technical advice on record claims of a scientific or technical nature, as well as writing much of the annual best-selling book. He has taught both astronomy alongside Sir Patrick Moore and space science for the space tourism company, Starchaser. A graduate of the University of Hertfordshire, he was co-founder of UK Planetary Forum.

Dr Sharon Ann Holgate

Sharon Ann Holgate is a science writer and broadcaster with a doctorate in experimental physics. She was 2006 Young Professional Physicist of the Year. She is co-author (with Robin Kerrod) of The Way Science Works, a children's popular science book published by Dorling Kindersley that was shortlisted for the Royal Society Science Books Junior Prize in 2003. She is also author of the undergraduate textbook Understanding Solid State Physics (Taylor and Francis), and a contributor to 30-Second Quantum Theory (Icon). She has written for numerous publications including Focus, New Scientist, Physics World and Science Careers, and presented on BBC Radio 4 and the BBC World Service. www.sharonannholgate.com

Chris Jarvis

Chris Jarvis is an Education Officer at the Oxford University Museum of Natural History, Oxford, England. He is in charge of primary schools and family education at the award-winning Museum where he teaches Entomology, Zoology, Geology and Palaeontology. He is a Fellow of the Linnean Society and has appeared on TV and radio science shows (including 5 TV's "How on Earth?") as well as literary festivals across the UK. 

Dr Lloyd Jenkins

Lloyd Jenkins (BA, PhD: University of Wales, Lampeter) is a lecturer in Human Geography in the School of Geography, Earth and Environmental Sciences, University of Birmingham, England, where he has worked for the past 14 years. His main research interests lie in issues of landscape change and transition.

Dr Nina Notman

Nina Notman is an experienced science writer interested mostly in chemistry and materials. She has a PhD in organic chemistry from the University of Bristol, and after university spent seven years working for the Royal Society of Chemistry. For the last five years she has been a freelance writer for a range of science magazines including Chemistry World, Education in Chemistry and Science in School. http://ninanotman.wordpress.com/

Chris Oxlade

Chris Oxlade is an experienced author of information books for children. He studied Civil Engineering at University of Birmingham, England, before working as an editor at Usborne Publishing for 10 years. He has since written more than 200 titles on science, technology, sports and hobbies. Titles include Design and Engineering: Gadgets and Games (Raintree), Who’s Who in Science and Technology (A&C Black), Pop-up Facts: Inventions (Templar), Explorers: Robots (Kingfisher), and Design Line: Planes, Trains, and Automobiles (Candlewick).

Philip Parker

Philip Parker read history at Trinity Hall, Cambridge and International Relations at the Johns Hopkins School of Advanced International Studies, Bologna, Italy. He is a historian specializing in late antiquity and the early medieval period. He is the author of The Northmen’s Fury: A History of the Viking World, The Empire Stops Here: A Journey Around the Frontiers of the Roman World and the DK Eyewitness Companion Guide to World History. He has contributed chapters to a wide range of titles, including to Dorling Kindersley's History of Britain and Ireland and History Year by Year. www.philipparker.net

Dr Kristina Routh

Kristina Routh is a medical doctor and a qualified specialist in public health medicine. Until 2013 she was a senior lecturer in the Department of Public Health, Epidemiology and Biostatistics at the University of Birmingham, England. She is the author of six books for teenagers and numerous magazine articles on a wide range of topics covering medicine, health and the human body. Titles include Need to Know: Down’s SyndromeTechnology all Around Us: Medicine and AIDS (21st Century Issues). As well as writing, Kristina regularly acts as a medical consultant for information books on all aspects of health and the human body. www.kristinarouth.co.uk

Dr Richard Walker

A graduate zoologist with a PhD in biochemistry and physiology, Richard Walker is a science writer with a special interest in human biology and biosciences. He has written, or contributed to, over 100 books. His DK Guide to the Human Body won the 2002 Royal Society Science Books Junior Prize, and three further books were shortlisted for the same prize in 2005, 2008 and 2013. The Way We Work, co-authored with author and illustrator David Macaulay, won a Boston Globe-Horn Book non-fiction prize in 2009.

Philip Wilkinson

Philip Wilkinson was educated at Oxford University, after which he pursued a career as an editor. He has been a full-time writer for more than 20 years and has published many books on history, architecture, art and religions. Among his many titles are: What the Romans Did For Us (Boxtree / BBC), Encyclopedia of World Events (Collins & Brown UK / Viking USA), Great Designs (Dorling Kindersley), Michelangelo (National Geographic), Art Gallery: Faces and Stories (Macmillan), Myths and Legends (Dorling Kindersley), A Celebration of Customs and Rituals of the World (Collins & Brown / Viking USA) and Illustrated Dictionary of Religions (Dorling Kindersley).

Robert Willoughby

Formerly a lecturer in New Testament Studies at London School of Theology, Robert Willoughby is an Assistant Curate at St Michael's and All Saints, Highgate, London. He is the author of a Children's Guide to the Bible (1999), Angels: A Journey of Celebration for Individuals, Small Groups or Churches (with Ro Willoughby, 2006) and So, Who Is God?: Answers to Real Questions About God (2006).

Q-files writers

Simon Adams 
Claire Aston
Nicola Barber
Julia Bruce
Sean Callery
Jacqueline Dineen
Miranda Harris
Nicholas Harris
Sarah Hartley
Claudia Martin
Chris Oxlade
Steve Parker
Lisa Regan
Katie Sexton
Jenny Vaughan 
Ruth Symons
Richard Walker