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Laurence Rees (born 1957) is a British historian. He is a documentary filmmaker and author of several books about atrocities committed by the totalitarian states of the Second World War. He is the former Creative Director of History Programmes for the BBC. His documentaries and books are used as teaching aids in British schools.
Laurence Rees was educated at Solihull School and Oxford University. He joined BBC TV in 1978 as a research trainee and subsequently worked as a researcher and assistant producer in factual television between 1978 and 1983. He always wanted to make history documentaries  and made his first film as a director and producer at the age of 25 in 1983 - a film portrait of Noël Coward for BBC1.
He started specializing in history films that related to the Nazis and the Second World War with his controversial programme A British Betrayal in 1991, followed by Goebbels - Master of Propaganda in 1992. 
Rees was appointed editor of Timewatch, the BBC's historical documentary series, in 1992 and over the next 10 years commissioned and editorially oversaw more than a hundred different history films. In 1994 he was also the founder editor of the BBC's biographical TV strand, Reputations. He was subsequently appointed Head of BBC History and Creative Director, BBC History.
Unusually for a senior executive at BBC Television, Rees carried on writing and producing his own programmes alongside his executive producer responsibilities. The series he himself wrote and produced (and also directed the great majority of the films) during this time include the BBC television series Nazis: a Warning from History (1997), War of the Century (1999), Horror in the East (2001), Auschwitz, the Nazis and the 'Final Solution' (2005) and World War Two: Behind Closed Doors (2008). He also writes history books and wrote books to accompany each of these series.  His book on Auschwitz is the world's best-selling history of the camp.
Rees left the BBC in 2008 and created the multimedia educational Website WW2History.com in 2009. The website subsequently won "Best in Class"' awards in both the education and reference categories at the Interactive Media Awards.
Through his own independent production company, LR History, Rees has also written, produced and directed the 2012 BBC television series The Dark Charisma of Adolf Hitler (and wrote the accompanying book) and the 90 minute feature-length documentary Touched by Auschwitz (BBC2 2015).
He has won many awards for his work. In 2006 he won the British Book Award for history book of the year for "Auschwitz: the Nazis and the Final Solution". His television awards include a BAFTA, a Grierson Award, a Broadcasting Press Guild Award, a BANFF festival award, a Broadcast Award, a George Foster Peabody Award, two International Documentary Awards and two Emmys. In New York City in 2009 he received the 'Lifetime Achievement Award' from 'History Makers', the worldwide congress of Historical and Current Affairs programme makers.
In 2009 he was appointed a Senior Visiting Fellow in the International History Department at the London School of Economics and Political Science, London University. He was awarded an honorary doctorate for services to history by the University of Sheffield in 2005, and an honorary doctorate from the Open University for services to Arts and Sciences in 2011.
Clive James, in Revolt of the Pendulum, said that Rees was "currently producing the best documentaries ever made about the Nazi era".Antony Beevor, in a book review in the Daily Telegraph, wrote that "Laurence Rees has done more for good history on television in this country than anyone else."
Daniel Snowman, in his profile of Rees in Historians, wrote that "Rees has created a body of work that is carefully structured and impeccably researched, incorporating vivid archive material from a wide array of sources. Most remarkable, perhaps, are the interviews he has filmed. Rees is one of the few people - perhaps the only one - who has met and interviewed at length not only hundreds of people who suffered from the barbarities of World War II right across the globe but also, crucially, many of the perpetrators. All this has given Rees a comparative, cross-cultural perspective on the horrors of the war that no academic could match."
Rees's history of the Holocaust, The Holocaust: A New History, was published by PublicAffairs in January 2017.