Thomas D. Brock
... that Thomas D. Brock discovered Thermus aquaticus, an extremophile living at greater than 70 °C in hot springs at Yellowstone which became the source of the enzyme used in PCR?
... that <b id="mwCTI"><a href="./Thomas_D._Brock" id="mwCTM" rel="mw:WikiLink" title="Thomas D. Brock">Thomas D. Brock</a></b> discovered <i id="mwCTQ"><a href="./Thermus_aquaticus" id="mwCTU" rel="mw:WikiLink" title="Thermus aquaticus">Thermus aquaticus</a></i>, an <a href="./Extremophile" id="mwCTY" rel="mw:WikiLink" title="Extremophile">extremophile</a> living at greater than 70 °C in <a href="./Hot_spring" id="mwCTc" rel="mw:WikiLink" title="Hot spring">hot springs</a> at <a href="./Yellowstone_National_Park" id="mwCTg" rel="mw:WikiLink" title="Yellowstone National Park">Yellowstone</a> which became the source of the <a href="./Taq_polymerase" id="mwCTk" rel="mw:WikiLink" title="Taq polymerase">enzyme</a> used in <a href="./Polymerase_chain_reaction" id="mwCTo" rel="mw:WikiLink" title="Polymerase chain reaction">PCR</a>?