Steven J. Hanley - The Psychogenealogist February 10, 2019 Family History, Genealogy Nebraska Man, Leo Amen, Cuts Off Own Finger To Free Self From Plow (1936) Steven J. Hanley - The Psychogenealogist February 10, 2019 Family History, Genealogy In 1936, Leo Marcus Amen (1912-1994), a Nebraskan farmer, was faced with the unenviable task of using a jackknife to amputate his own finger that had become caught in a plow. He is my 3rd cousin 2x removed. This is his story.