The full text of this lecture is here: www.gutenberg....
I've also posted a version on Genius.com with annotations about the contemporary references: genius.com/166...
My video on William Clifford's paper, "The Ethics of Belief": • Let's Read! William Ki...
More information on some of these references:
The Mahdi: en.wikipedia.o...
Theosophy: en.wikipedia.o...
Fridtjof Nansen: en.wikipedia.o... (one person mentioned here who would later go on to win the Nobel prize)
The cover of the McClure's piece on the life of Abraham Lincoln: www.loc.gov/re...
William James's views on telepathy: www.forbiddenh...
Wilhelm Röntgen: en.wikipedia.o... (the second person mentioned here who would later go on to win the Nobel prize) - it's worth checking out the very first X-ray images and imagining what it was like in 1896 to see a photograph of the bones in someone's hand while that person is still alive.