Maarten Schmidt (born December 28 1929) is a Dutch astronomer who measured the distances of astronomical objects called quasars. Schmidt was born in Groningen, (The Netherlands) and studied with Jan Hendrik Oort. He earned his Ph.D. from Leiden Observatory in 1956. In 1959 he emigrated to the United States and went to work at the California Institute of Technology. In the beginning he worked at theories about the mass distribution and dynamics of galaxies. Wikipedia
The definitive Wikipedia entry for Maarten Schmidt. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Maarten_Schmidt