Winkipop (1907–1931) was a British Thoroughbred racehorse that won the 1910 1,000 Guineas Stakes and Coronation Stakes. She raced briefly at age four and was retired from racing in 1911. As a broodmare, she produced the good racers Plymstock and Blink before she was exported to the United States in 1927. Winkipop died in 1931 at the Mereworth Stud near Lexington, Kentucky.

Waldorf Astor, 2nd Viscount Astor, DL was an American-born English politician and newspaper proprietor. He was a member of the Astor family. He was active in minor political roles. He was devoted to charitable projects, and with his more famous wife Nancy became a prominent fixture in upper class English society.