Walter Traugott Ulrich Pagel(12 November 1898 – 25 March 1983) was a German pathologist and medical historian. Pagel was born in Berlin, the son of the famous physician and historian of medicine Julius Leopold Pagel. He married Dr. Magda Koll in 1920 and with her had a son, Bernard, in 1930. Pagel took his doctorate in Berlin in 1922 and became professor in Heidelberg in 1931. The family moved to Britain in 1933 for fear of prosecution as Jews. Pagel practiced as Consultant Pathologist to the Central Middlesex Hospital, Harlesden, in Greater London From 1939 to 1956, and continued at the Clare Hall Hospital, Barnet, Hertfordshire from 1956 to 1967, when he retired. Following his retirement he began to devote his efforts to writing the history of medicine.