Simplify the following text for a Grade 10 native English-speaking person.
Original: Schelte John `` Bobby '' Bus ( born 1956 ) is an Associate Astronomer at the University of Hawaii Institute for Astronomy and Support Astronomer at NASA 's Infrared Telescope Facility IRTF .
Simplified: Schelte John `` Bobby '' Bus ( born in 1956 ) is an astronomer at the University of Hawaii Institute for Astronomy .