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:

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25