1939
Born to Julius Hauser and Sylvia Ann Hauser in Chicago, Illinois.
1962
Earns a Bachelor in Engineering Physics from Cornell University with distinction.
1967
Earns a Doctor of Philosophy in physics from the California Institute of Technology.
1967
Teaches as an instructor of physics at Princeton University.
1970
Becomes an assistant professor of physics at Princeton University.
1972
Becomes a senior research fellow in physics at the California Institute of Technology.
1974
Becomes the head of the infrared astronomy group within the Laboratory for High Energy Astrophysics at the Goddard Space Flight Center.
1977
Becomes the head of the infrared astrophysics section with the Extraterrestrial Physics Laboratory at the Goddard Space Flight Center.
1985
Becomes the head of the infrared astrophysics branch within the Extraterrestrial Physics Laboratory at the Goddard Space Flight Center.
1987
Becomes the head of the infrared astrophysics branch within the Astronomy and Solar Physics Laboratory at the Goddard Space Flight Center.
1987
Teaches as an adjunct professor of astronomy at the University of Maryland.
1988
Becomes the chief of the Solar Physics and Astronomy Laboratory at the Goddard Space Flight Center.
1995
Becomes the deputy director and astronomer at the Space Telescope Science Institute in Baltimore, Maryland.
1997
Teaches as an adjunct professor of physics and astronomy at Johns Hopkins University.
1998
Receives the AURA Science Award by the Association of Universities for Research in Astronomy.
2006
Receives the Cosmology Prize from the Gruber Foundation.
2009
Is a Visiting Associate at the California Institute of Technology.
2010
Is an astronomer at the Space Telescope Science Institute in Baltimore, Maryland, until his retirement in 2011.
2011
Receives the title of astronomer emeritus by the Space Telescope Science Institute.
2014
Receives the Van Biesbroeck Prize by the American Astronomical Society.