Here is an interesting read.....
His invention of the satellite communication with satellites in geostationary orbit in 1945 has brought him numerous honors, such as the 1982 Marconi International Fellowship; a gold medal of the Franklin Institute; the Vikram Sarabhai Professorship of the Physical Research Laboratory, Ahmedabad; the Lindbergh Award and a Fellowship of King's College, London.
http://web.archive.org/web/20031206075703/www.lsi.usp.br/~rbianchi/clarke/ACC.ETRelays.html
His invention of the satellite communication with satellites in geostationary orbit in 1945 has brought him numerous honors, such as the 1982 Marconi International Fellowship; a gold medal of the Franklin Institute; the Vikram Sarabhai Professorship of the Physical Research Laboratory, Ahmedabad; the Lindbergh Award and a Fellowship of King's College, London.
http://web.archive.org/web/20031206075703/www.lsi.usp.br/~rbianchi/clarke/ACC.ETRelays.html