What type of details about roy j. plunkett can be gathered from the following bio? Bio: roy j. plunkett -lrb- june 26 , 1910 -- may 12 , 1994 -rrb- was an american chemist . he discovered polytetrafluoroethylene -lrb- ptfe -rrb- , i.e. teflon , in 1938 . plunkett was born in new carlisle , ohio and graduated from newton high school in pleasant hill , ohio , manchester university -lrb- ba chemistry 1932 -rrb- and ohio state university -lrb- ph.d. chemistry 1936 -rrb- . in 1936 he was hired as a research chemist by e.i. du pont de nemours and company at their jackson laboratory in deepwater , new jersey . the discovery of teflon is best described in plunkett 's own words : on the morning of april 6 , 1938 , jack rebok , my assistant , selected one of the tfe cylinders that we had been using the previous day and set up the apparatus ready to go . when he opened the valve -- to let the tfe gas flow under its own pressure from the cylinder -- nothing happened . jack called me over and asked whether we had used all the tfe from that cylinder . i said , i do n't think so . we both tinkered with the valve a bit , and then thinking it might be stuck or closed in some way , we disconnected the cylinder from the line and pushed a wire through the valve opening . still no tfe came out , although the weight of the cylinder showed that there was material inside . we were in a quandary . i could n't think of anything else to do under the circumstances , so we unscrewed the valve from the cylinder . by this time it was pretty clear that there was n't any gas left . i carefully tipped the cylinder upside down , and out came a whitish powder down onto the lab bench . we scraped around some with the wire inside the cylinder -- or maybe i tapped it -- i do n't remember which -- to get some more of the powder . what i got out that way certainly did n't , add up , so i knew there must be more , inside . finally , more out of curiosity i suppose than anything else , we decided to cut open the cylinder . when we did , we found more of the powder packed onto the bottom and lower sides of the cylinder . plunkett further...
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