Deaths on March 23

Paul Cohen (mathematician)

Died on March 23, 2007

Paul Cohen, American mathematician and theorist (b. 1934)

Paul Joseph Cohen (April 2, 1934 – March 23, 2007) was an American mathematician. He is best known for his proofs that the continuum hypothesis and the axiom of choice are independent from Zermelo–Fraenkel set theory, for which he was awarded a Fields Medal.

References

Paul Cohen (mathematician)

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Events on 2007

9 Jan

IPhone
Apple CEO Steve Jobs introduces the original iPhone at a Macworld keynote in San Francisco.
29 Jun

IPhone
Apple Inc. releases its first mobile phone, the iPhone.
12 Jul

July 12, 2007 Baghdad airstrike
U.S. Army Apache helicopters perform airstrikes in Baghdad, Iraq; footage from the cockpit is later leaked to the Internet.
4 Aug

Phoenix (spacecraft)
NASA's Phoenix spacecraft is launched.
18 Sep

Saffron Revolution
Buddhist monks join anti-government protesters in Myanmar, starting what some call the Saffron Revolution.

Deaths on March 23

Paul Cohen (mathematician)

Died on March 23, 2007

References

Choose Another Date

Events on 2007

IPhone

IPhone

July 12, 2007 Baghdad airstrike

Phoenix (spacecraft)

Saffron Revolution