Jacob Ellehammer
Danish clockmaker and inventor
Jacob Christian Hansen-Ellehammer was a Danish watchmaker and inventor born in Bakkebølle, Denmark. He is remembered chiefly for his contributions to powered flight. Wikipedia
Born: June 14, 1871, Bakkebølle, Denmark
Died: May 20, 1946 (age 74 years), Copenhagen, Denmark
Parents: Mads Jacob Hansen and Maren Katrine Larsen Ellehammer
Significant design: Ellehammer semi-biplane