Fritz Weigert (18 September 1876 – 13 April 1947) was a German physical chemist.
Weigert has made major contributions in the field of photochemistry.
Around 1908, he began teaching and conducting research at Berlin University - after studying there.
[1] He was a photochemistry professor at Leipzig University from 1914 until being, like other Jewish scientists, forced out by the Nazis in 1934.
On January 1, 1935, he immigrated to England and in 1936 was director of the Physiochemical Department of the Cancer Research Institute at Mount Vernon Hospital, Northwood.