Bertrand Russell (1872-1970) was a British philosopher and pacifist, known for his contributions to analytic philosophy and social activism. He faced imprisonment for his anti-war lectures during World War I and continued to advocate for political causes throughout his life. Russell was married four times, had three children, and passed away in 1970, with his ashes scattered over the Welsh mountains.

1. Bertrand Russell
1872-1970

2. B. Russell sprouts
• Born into a liberal and influential
family of the British aristocracy
• Often contemplated suicide
• Educated by tutors

3. Pembroke Lodge

4. Early career
• Taught German Social Democracy at
the London School of Economics
• Russell's paradox
• The Principles of Mathematics
• Principia Mathematica

5. Beacon Hill School
• Experimental
• Founded with his wife
• Run from different locations
• His wife continued it after he left five
years later

6. Family life
• Married four times
• Had three children
• He and his wife eventually became
the legal guardians of three of his
granddaughters

7. Political causes
• Pacifist activist during World War I
• Convicted under the Defence of the
Realm Act
• Leeds Convention
• Imprisoned for six months for
lecturing against inviting the U.S. to
join the war on Britain's side
• Jailed for seven days for being in an
anti-nuclear demonstration in London
at the age of 89

8. Death
• Died of influenza in 1970
• No religious ceremony
• Ashes scattered over the Welsh
mountains

9. Analytic philosophy
• Favored clarity in arguments
• Did not think there should be separate methods for philosophy
• Occam's Razor

10. Russell's teapot
• Burden of proof
• Teapot orbiting around the sun between Earth and Mars

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27 Feb. 2015.