Jacob Ellehammer

Jacob Christian Hansen-Ellehammer (born 14 June 1871 in Bakkebølle, died 20 May 1946 in Gentofte) was a Danish inventor and aviation pioneer. He obtained a total of 59 Danish patents and worked with many different things, including amusement machines, Tivoli boats, egg openers, cleavers for pig slaughterhouses, engines in countless shades, motorcycles, cars, alternative energy and fire-fighting equipment. He was also among the first in Europe to fly an airplane.