A Tribute to Euler - William Dunham
55:08
William Dunham, A tribute to Euler
1:25:40
An Evening with Leonhard Euler
54:22
50 Centuries in 50 minutes (A Brief History of Mathematics)
19:42
El GENIO Que Fue Quemado Vivo e Inspiró a SPINOZA
56:55
Euler's Amicable Numbers - William Dunham
1:20:19
Math Encounters -- On the Shoulders of Giants: Newton Revealed
1:10:43
Daniel Everett, "Homo Erectus and the Invention of Human Language"
1:20:20