Louis Wain’s cat-centric art was extremely popular in the late 19th and early 20th centuries, and some of his later work became an inspiration for the psychedelic movement of the 1960s.
Research:

The Life and Afterlife of Casimir Pulaski
45:10

SYMHC Classics: Redpath Murders
32:44

Behind the Scenes Minis: Piece of Work
17:48