Rank | Name | Date |
---|---|---|
1 | Bill Nye | 2012-07-27 |
2 | Neil deGrasse Tyson | 2012-02-29 |
3 | Bill Nye | 2017-04-19 |
4 | Conan O'Brien | 2017-03-01 |
5 | Neil deGrasse Tyson | 2011-11-13 |
6 | Richard Dawkins | 2013-11-26 |
7 | Bill Nye | 2017-11-08 |
8 | Neil deGrasse Tyson | 2017-04-02 |
9 | Bill Nye | 2013-06-04 |
10 | Chris Hadfield | 2013-02-17 |
11 | Neil deGrasse Tyson | 2011-12-17 |
12 | Chris Hadfield | 2013-12-04 |
13 | Buzz Aldrin | 2014-07-08 |
14 | Richard Dawkins | 2016-05-27 |
15 | Bill Nye | 2014-11-05 |
16 | Michio Kaku | 2014-03-07 |
17 | Ron Garan | 2012-12-06 |
18 | David Attenborough | 2014-01-08 |
19 | Jane Goodall | 2017-09-13 |
20 | Neil deGrasse Tyson | 2013-08-04 |
21 | Buzz Aldrin | 2014-10-30 |
22 | Brian Krzanich | 2014-02-19 |
23 | Bill Nye | 2014-07-15 |
24 | Mark Rober | 2019-12-23 |
25 | Tim Berners-Lee | 2014-03-12 |
26 | Norman Ohler | 2017-03-07 |
27 | Scott Kelly | 2016-01-23 |
28 | CodyDon Reeder | 2018-02-07 |
29 | Mason Peck | 2013-05-20 |
30 | Bob Metcalfe | 2013-05-21 |
31 | Chris Hadfield | 2012-12-13 |
32 | Steve Pinker | 2013-03-12 |
33 | Scott Kelly | 2018-04-26 |
34 | Al Worden | 2016-08-11 |