What is "hart-davis"

Hart-Davis is a surname. Notable people with the surname include:

• Adam Hart-Davis (born 1943), English scientist, author, photographer, historian and broadcaster
• Alice Hart-Davis (born 1963), British journalist and author
• Duff Hart-Davis (born 1936), British biographer, naturalist and journalist
• Rupert Hart-Davis (1907-1999), British publisher, literary editor, and man of letters