to the memories of Arthur Davidson and William S. Harley who, starting out 
with little more than an idea, and in the American free enterprise tradition, 

founded an organisation that was to become of historical significance to American transportation


William (Bill) A. Davidson
William A. Davidson

* 14.10.1870

Walter Davidson Sr.
Walter Davidson Sr.

* 30.09.1876
† 07.02.1942

William Sylvester Harley
William S. Harley

* 29.12.1880
† 18.09.1943

Arthur Davidson
Arthur Davidson

* 11.02.1881
† 30.12.1950