1
01 - Sir Isaac Newton, Part 1
2
02 - Sir Isaac Newton, Part 2
9
09 - William Herschel, Part 1
10
10 - William Herschel, Part 2
11
11 - Charles Darwin, Part 1
12
12 - Charles Darwin, Part 2
17
17 - Thomas H. Huxley, Part 1
18
18 - Thomas H. Huxley, Part 2
19
19 - John Tyndall, Part 1
20
20 - John Tyndall, Part 2
21
21 - Alfred R. Wallace, Part 1
22
22 - Alfred R. Wallace, Part 2