Henry Winterfeld (April 9, 1901 – January 27, 1990), published under the pseudonym Manfred Michael, was a German writer and artist famous for his children's and young adult novels.

The result was Henry Winterfeld's first book, Trouble at Timpetill, which was published in 1937 in German under the pseudonym Manfred Michael.

A couple have been made into videos, such as the movie Les enfants de Timpelbach (English: Trouble at Timpetill) (2008).

[3] Because of the Nazi regime in Germany, Henry Winterfeld, who was a Jew, moved to Austria in 1933 and from there emigrated to France in 1938.

In October, 1939, he was arrested and interned in Nevers until he was able to emigrate to the United States before the German invasion of France began on May 10, 1940.