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(157K)
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"19 UI Physicists Helped Develop Atomic Bomb" - Champaign Gazette -November 9, 1945 - Atomic Bombs and UI Physicists were hot news in the local papers in the fall of 1945.
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"UI Tests Reveal Betatron as Cancer-Fighting weapon"
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(86K)
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(47K)
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Kerst and Koch measuring depth-dose ionization distributions produced by 20 Mev betatron x-rays - in 1942 - The first measurements of dose distributions in human-tissue-like material are being made by Don Kerst on left and Bill Koch on right.
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75 Mev Betatron Model - This photo shows the model of the 300 Mev betatron that was built and tested in the UI betatron laboratory. The 300 Mev betatron was 4.5 times bigger than the model. The model was operated under pulse conditions only. The 300 Mev machine was run with 60 cycle per second power continuously.
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(71K)
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(80K)
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Kerst with 75 Mev Betatron Model; Artist Sketch of proposed 300 Mev Betatron - The model was made operate briefly for confirming tests in 1949. The large machine operated for the first time in February 1950.
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"Kerst and his Four Assistants Put Huge Betatron into Activity" - February 1950 - Kerst gave credit for assistance in his betatron program to three physicists - Adams, Koch, and Robinson - and his business manager, Flora.
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(74K)
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(12K)
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US State Department re Geneva Conference - September 1958
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US War Department re Manhattan Project - August 6, 1945
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(15K)
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(46K)
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Kerst explains operation of 300 Mev Betatron for newsmen - February 1950, Champaign Gazette - Besides Kerst at the blackboard, the persons in the photo are (l.to r.): Clark Robinson, Bill Koch, Ralph Flora, Gal Adams, and George Stoddard, President of UI.
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Front of 300 Mev Betatron with visitors on viewing platform - February 1950 - Champaign Gazette
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(44K)
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(74K)
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"Gaithersburg Radiation Physics Division" from NBS Standard Employee Bulletin - March 1964 Page 1
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"Gaithersburg Radiation Physics Division" from NBS Standard Employee Bulletin - March 1964 Page 2
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(67K)
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(61K)
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"Gaithersburg Radiation Physics Division" from NBS Standard Employee Bulletin - March 1964 Page 3
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"Gaithersburg Radiation Physics Division" from NBS Standard Employee Bulletin - March 1964 Page 4
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(61K)
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(43K)
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Photo of attendees to the Gordon Research Conferences, 1963, Tilton, NH, "Photonuclear Reactions"
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Position in above photo of attendees to the Gordon Research Conferences, 1963, Tilton, NH, "Photonuclear Reactions"
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(81K)
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(45K)
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List of names in photo of attendees to the Gordon Research Conferences, 1963, Tilton, NH, "Photonuclear Reactions" (16. is H. W. Koch)
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News Story in Queens College Newspaper entitled: 'Scientist Koch Becomes Alumnus Of The Year' - October 25, 1960
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(45K)
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(91K)
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Congratulations on Alumnus of the Year Award from Margaret Kiely, 1941 Dean of Arts and Sciences, Queens College - November 5, 1960
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Best Wishes on "First Qcer to get PHD" from Prof. Donald Kirkpatrick - March 23, 1944
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(72K)
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(86K)
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"Dr. H. William Koch Heads Radiation Physics Division" from NBS Standard Employee Bulletin - November 1963
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Sawyer and 4 AlP Directors from Inside AlP Newsletter - 1972
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(82K)
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(46K)
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AlP Management Committee: (l to r) Koch, Slack, Marks, Lasky, Gilbert, Waterfall - 1973
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Good Wishes for Koch's Tenth Anniversary at AlP - John A. Wheeler, January 4, 1976
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(71K)
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(82K)
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Good Wishes at Retirement - Frederick Seitz, March 12, 1987
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Good Wishes at Retirement - D. Allan Bromley, March 18, 1987
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(106K)
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(72K)
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Good Wishes at Retirement - G. S. Goldhaber, March 23, 1987
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Good Wishes at Retirement - Management Committee, March 1987
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(87K)
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(36K)
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Painting presented to Bill at his retirement party on March 29, 1987
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Announcement of Bill and Becky's Wedding with misprint in heading - Marion Daily Republican - February 3, 1945
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(56K)
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(78K)
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Congratulations on Wedding from Prof. Hugo Swenson - February 28, 1945
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