I would add C.L. Moore to this list. Her incorporation of emotions and relationships into the SF she wrote from the 1930s anticipated the New Wave of the 60s, and was far ahead of anything anyone else was doing until probably Murray Leinster in the 50s.

Originally shared by Lisa “LJ” Cohen

This is full of awesome! 10 women who defined and changed Science Fiction.

http://www.bbc.co.uk/programmes/articles/3NFWVm1zyTX6pFKkDS3MBFV/10-women-who-changed-sci-fi?ns_mchannel=social&ns_campaign=bbc_radio_4&ns_source=twitter&ns_linkname=radio_and_music