John van Geen
John van Geen ( August 17 , 1929 – June 6 , 2000 ) was a researcher at the Stanford Research Institute ( now SRI International ) who was known for his advances in the acoustically coupled modem . 
<triplet> John van Geen <subj> August 17, 1929 <obj> date of birth <subj> June 6, 2000 <obj> date of death