Most likely it was an accident. I may have my facts wrong, but during WW2 the US was looking for an alternative to rubber. He dropped something in a mixture and it formed play-doh (or was it silly putty...). I think it was silly putty, but I may be wrong.
Beverly A. Vicker has written: 'Nonoral communication system project, 1964-1973' -- subject(s): Body language in children, Communicative disorders in children, Speech therapy for children
Joseph V. Reid has written: 'You can make a \\' -- subject(s): Construction, Violin
S. Joseph was born in 1965.
Joseph S. Cony was born in 1834.
Joseph S. Cony died in 1867.
N. S. Joseph was born in 1906.
Joseph S. Belaval was born in 1879.
Joseph S. Belaval died in 1953.
Joseph S. Illick was born in 1884.
Joseph S. Freedman was born in 1946.
Joseph S. Pulver was born in 1955.
Joseph S. Manasse was born in 1831.