Mitchell "Mitch" A. Yockelson (born 1962)[1] is a military historian and archivist. He has written four books including, Borrowed Soldiers: Americans Under British Command 1918, and numerous articles for well-known publications. Yockelson is considered one of the foremost authorities on the topic of World War I. Currently he teaches at Norwich University, and works as an Investigative Archivist at the National Archives and Records Administration.