Author of Ein handelspolitischer Konsolidierungsplan, 1930.

Hans Tugendhat has a registered patent dated 9/30/1948

Records show that Hans, Hans Peter, and Vilemina left London on 12/6/1946 to Caracas, Venezuela where his brother resided.

Canadian voter records show John and Minnie Tugendhat living at 420 Castlefield Avenue, Ontario, Canada in 1953 (John is identified as a textile manager), 1963, 1968 and 1972 (in all three John is listed as retired).