death_place birth_place image_size nationality field birth_date known_for prizes image article_title name alma_mater
ouse , tasmania wheaton , illinois , united states 200px american radio astronomy 22 december 1911 pioneering work in radio astronomy elliott cresson medal grote reber.gif grote reber
 grote reber illinois institute of technology
grote reber

grote reber -lrb- december 22 , 1911 -- december 20 , 2002 -rrb- was a pioneer of radio astronomy , which combined his interests in amateur radio and amateur astronomy .
he was instrumental in investigating and extending karl jansky 's pioneering work , and conducted the first sky survey in the radio frequencies .
his 1937 radio antenna was the second ever to be used for astronomical purposes and the first parabolic reflecting antenna to be used as a radio telescope .
for nearly a decade he was the world 's only radio astronomer .
