James Tiptree Jr. was the pseudonym of Alice Bradley Sheldon from 1967 to her death; it was not known publicly that Tiptree was a woman until 1977. She also occasionally wrote under the pseudonym Racoona Sheldon.
Known primarily for her short stories and novellas, Tiptree won several major awards in the science fiction and fantasy fields, including:
Hugo Award
1974, "The Girl Who Was Plugged In," Best Novella
1977, "Houston, Houston, Do You Read?" Best Novella
Nebula Award
1973, "Love is the Plan, the Plan is Death," Best Short Story
1976, "Houston, Houston, Do You Read?" Best Novella
1977, "The Screwfly Solution," Best Novelette
World Fantasy Award
1987, Tales of the Quintana Roo
Locus Award
1984, "Beyond the Dead Reef," Best Short Story
1986, "The Only Neat Thing to Do," Best Novella
Science Fiction Chronicle Award
1986, "The Only Neat Thing to Do," Best Novella
Jupiter Award
1977, "Houston, Houston, Do You Read?" Best Novella