Which Olympics or Commonwealth Games did Philipp Baker attend?

Philip John Noel-Baker, Baron Noel-Baker, born Philip John Baker (1 November 1889 - 8 October 1982) was a politician, diplomat, academic, an outstanding amateur athlete, and renowned campaigner for disarmament who received the Nobel Peace Prize in 1959.

He was selected and ran for Britain at the Stockholm Olympic Games in 1912, and was team manager as well as a competitor for the British track team for the 1920 and 1924 Olympics. In 1920 at Antwerp he won a silver medal in the 1500 metres

The commonwealth games did not start until 1930 by which time Philip Baker had retired from athletics