Reinhart Ahlrichs (16 January 1940 – 12 October 2016) was a German theoretical chemist.
[1] Ahlrichs was born on the 16 January 1940 in Göttingen.
He studied Physics at the University of Göttingen (Diplom (M.Sc.)
From 1968-69 he was assistant at Göttingen with Werner Kutzelnigg and from 1969-70 Postdoctoral Fellow with C. C. J. Roothaan at the University of Chicago.
He also headed a research group at the INT.