Markus Osterwalder
Born
July 6, 1947 (77 years old)
Known For
Creator
Place of Birth
Schlieren, Switzerland
Markus Osterwalder is a swiss author of children books.
Born
July 6, 1947 (77 years old)
Known For
Creator
Place of Birth
Schlieren, Switzerland
Markus Osterwalder is a swiss author of children books.