Limited to published authors.  Presented as a public service, in no particular order.

• Arthur C. Clarke (added 2013-11-6; how did I forget?)
• Samuel R. Delany
• Hal Duncan
• Thomas M. Disch
• Rahul Kanakia
• David Gerrold
• Geoff Ryman
• Steve Berman
• Clive Barker (added 2012-12-12)
• Richard Bowes (added 2012-12-12)
• Gregory Maguire (added 2012-12-26)
• Kyle Aisteach (added 2013-12-26)
• David Gerrold (added 2013-12-27)

Not pictured: Alberto Yáñez, Aleksandr Voinov (bisexual)

That’s… sevennineteneleven thirteen.  Who am I forgetting?  (The SFWA member directory lists 1747 members.)

(Thanks to Bogi Takács, Charles A. Tan, et al.)