Koch was born in Philadelphia in 1871, the son of William Jefferson Koch (pronounced by the family as "coke") a descendant of German immigrants ("Pennsylvania Dutch"). Koch receive a BA from the
University of Pennsylvania, followed by a second BA and an MA from
Harvard University (1893 and 1894 respectively) in
Romance Languages. He went on to study in
Paris, before returning to
Cornell University, where he was responsible for producing a detailed, annotated catalogue of Cornell's extensive collection of
Dante's works. During
World War I, while on the staff of the
Library of Congress, Koch played an instrumental role in ensuring that scientific publications from Germany and other combatants continued to be available to American researchers. He also organized programs to provide books to American soldiers in the trenches. After the end of the war Koch was very active in organizing American support for the rebuilding of European libraries that had been destroyed during the war. He translated a series of books on French bibliophiles. He died in 1941, a few months short of his scheduled retirement. ==References==