music: 70's Chart Toppers: Name The Artist: What Is Truth?

Questions

Who got his 100-meter dash gold medal stripped away due to to steroid use in the 1988 Olympics?

Who got his name because of a yellow-and-black striped shirt he wore until it literally fell apart?

Who had a 30-year love affair with dashiel hammett?

Who had a 30-year love affair with lillian hellman?

Who had a hit in 1974 with 'when will i see you again'?