Alice Bradley Sheldon was an American science fiction and fantasy author better known as James Tiptree Jr., a pen name she used from 1967 until her death. It was not publicly known until 1977 that James Tiptree Jr. was a woman. From 1974 to 1985 she also used the pen name Raccoona Sheldon. Tiptree was inducted into the Science Fiction Hall of Fame in 2012.