Sir Ian Kershaw is a British historian of 20th-century Germany whose work has chiefly focused on the period of the Third Reich

Nazi Germany

Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

. He is regarded by many as one of the world's leading experts on Adolf Hitler

Adolf Hitler

Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...

 and Nazi Germany, and is particularly noted for his monumental biography of Hitler, which has been called "soberly objective."

He was the leading disciple of the late West German historian Martin Broszat

Martin Broszat

Martin Broszat was a German historian specializing in modern German social history whose work has been described by The Encyclopedia of Historians as indispensable for any serious study of the Third Reich. Broszat was born in Leipzig, Germany and studied history at the University of Leipzig and...

, and (until his retirement) professor at the University of Sheffield

University of Sheffield

The University of Sheffield is a research university based in the city of Sheffield in South Yorkshire, England. It is one of the original 'red brick' universities and is a member of the Russell Group of leading research intensive universities...

.