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National Museum of Nuclear Science & History

Hank Kosmata arrived in Hanford in January 1954 after graduating from the University of Utah with a degree in chemical engineering. Kosmata helped construct the K Reactor before he lawas assigned to “Reactor Design Analysis,” a team of physicists, mathematicians, and mechanical engineers that were tasked with designing a new, re-circulating reactor. After a year of planning, Kosmata and his team finalized the basis of what would become the “New Production Reactor,” or N Reactor.

Hank Kosmata’s Timeline
1954 Jan Arrived at Hanford.

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