This week's Friday Brain-teaser from xrefer tests your knowledge of people who are notable for being left-handed. Answers here.

1. Left-handed American guitarist (1942-70) who played a re-strung right-handed guitar and had hits with "Purple Haze:" and "The Wind Cries Mary"
2. Famous American baseball player (1895-1948): a left-handed pitcher for Boston Red Sox
3. Left-handed Australian tennis player, born 1938, nicknamed the Rockhampton Rocket
4. 20th Century American President, born 1946
5. American tennis player, born 1952: a left-hander who specialized in the two-handed backhand. In 1984 he became the first player ever to win 100 singles titles
6. Left-handed US blues guitarist and singer (1923-1992), famous for his recordings for the Stax label such as "Born Under a Bad Sign" and "Crosscut Saw"
7. Canadian-born left-handed tennis player, born 1973, who became a British subject in 1995 and was the British No. 1 in 1997
8. British cricketer, born 1957, a left-handed batsman who was England's record run scorer in Test cricket from 1992
9. Left-handed US baseball player (1903-41), nicknamed the Iron Horse: his story was told in the 1942 Gary Cooper film "The Pride of the Yankees"
10. Austrian pianist (1887-1961), brother of a philosopher named Ludwig: he lost his right arm in the First World War but commissioned Ravel's "Concerto for the Left Hand"