## The Crossing of Heaven: Memoirs of a MathematicianAmong the group of physics honors students huddled in 1957 on a Colorado mountain watching Sputnik bisect the heavens, one young scientist was destined, three short years later, to become a key player in America’s own top-secret spy satellite program. One of our era’s most prolific mathematicians, Karl Gustafson was given just two weeks to write the first US spy satellite’s software. The project would fundamentally alter America’s Cold War strategy, and this autobiographical account of a remarkable academic life spent in the top flight tells this fascinating inside story for the first time. Gustafson takes you from his early pioneering work in computing, through fascinating encounters with Nobel laureates and Fields medalists, to his current observations on mathematics, science and life. He tells of brushes with death, being struck by lightning, and the beautiful women who have been a part of his journey. |

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### Contents

Memoirs of a Mathematician
1 The Child in Iowa a cold bright sunny day
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Memoirs of a Mathematician
2 The Boy in Boulder and a lot of rock climbing
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Memoirs of a Mathematician
3 The Student in Poverty survival and success
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Memoirs of a Mathematician
4 Computers and Espionage and the worlds first spy satellite
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Memoirs of a Mathematician
5 First Publication and a very strange letter
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Memoirs of a Mathematician
6 Into Academia despite the politics
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Memoirs of a Mathematician
7 The World Opens a community of scholars
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Memoirs of a Mathematician
8 Personas and Personalities and a penetrating theorem
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Memoirs of a Mathematician
9 Wives Lovers Friends and a great loss
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Memoirs of a Mathematician
10 Close Calls in particular the lightning strike
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Memoirs of a Mathematician
11 Mathematics and some science
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Memoirs of a Mathematician
12 High Finance and dangers of overquantization
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Memoirs of a Mathematician
13 The Improbabilities and the imponderables
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Memoirs of a Mathematician
14 Realities and time is running out
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Memoirs of a Mathematician
15 The Crossing of Heaven
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