F.D.C. Willard

Their paw prints are everywhere.

A cat co-authored a scientific paper in 1975, when his owner, a physicist named Jack H. Hetherington, decided to add him as a second author to avoid changing the plural pronouns in his manuscript. The cat’s name was Chester, and he was given the pen name F.D.C. Willard, which… pic.twitter.com/WLWYHJ97Fs

— Physics In History (@PhysInHistory) October 11, 2023