June 12, 1877
in Bekenreihe, Germany
June 21, 1949
in Bad Segeberg, Germany
Most of his projects you can find in Northern Germany, especially in Hamburg. One of his most famous building is the Chilehaus (Chile house) in Hamburg, which became in 2015 part of the UNESCO World Heritage.
His full name is Johann Friedrich. Fritz is an abbreviation of Friedrich. He is commonly named Fritz, what is also used in the literature.