18 degrees from Isaac Asimov
19 degrees from Bill Nye (9th cousins, 4x removed)
20 degrees from Julius Miller
22 degrees from Stephen Hawking (21st cousins, 1x removed)
22 degrees from Carl Sagan
23 degrees from Bill Bryson
23 degrees from Richard Dawkins (11th cousins, 2x removed)
24 degrees from David Attenborough
27 degrees from Magnus Pyke
29 degrees from Ruth Gates
30 degrees from Bengt Feldreich