Zacharias Janssen was born In 1580.
Hans Wiers-Jenssen was born in 1866.
Hans Jørgen Darre-Jenssen was born on 1864-06-22.
They were father and son and they were also the people who were said to have invented the first compound microscope, this was around 1590.
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Hans Wiers-Jenssen died in 1925.
Hans Jørgen Darre-Jenssen died on 1950-06-26.
Hans Jenssen, the Dutch/Norwegian illustrator, was born in Denmark. When he was a baby, his family moved to the United Kingdom. He has been a professional illustrator for over 20 years, and is well-known for his Star Wars work.
Hans and Zacharias Janssen invented the microscope
Frank A. Jenssen was born in 1952.
Lene Jenssen was born in 1957.
Matz Jenssen was born in 1760.
Lauritz Jenssen was born in 1837.