Leutnant Hanns Joachim Wolff was a World War I German flying ace credited with ten aerial victories.

[1][2] Hans Joachim Wolff was born in Mühlhausen, the German Empire, on 24 September 1895.

On 18 March 1918, Wolff shot down and killed his first victim, which was possibly Lt. John McCudden.

Wolff then steadily scored for the next two months, downing his tenth victim on 15 May 1918.

[1][2] Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps 1914 - 1918 Norman L. R. Franks, et al. Grub Street, 1993.