Eugen Jack was born in Upper Bavaria. Later he became a free lance architect in Frankfurt.
In 1922 he was commissioned by Hermann Weil to build the school for further education („Kochschule”) in Steinsfurt. H. Weil ended his contract in 1924 because Jack overspent the budget by far and ignored his instructions.
Stadtarchiv Sinsheim, „Steinsfurt˜, A 35, A 358