Herschel K. Mitchell
... that Herschel K. Mitchell, Roger J. Williams, and Esmond E. Snell isolated folic acid from four tons of processed spinach?
... that <b id="mwAco"><a href="./Herschel_K._Mitchell" id="mwAcs" rel="mw:WikiLink" title="Herschel K. Mitchell">Herschel K. Mitchell</a></b>, <a href="./Roger_J._Williams" id="mwAcw" rel="mw:WikiLink" title="Roger J. Williams">Roger J. Williams</a>, and <a href="./Esmond_Emerson_Snell" id="mwAc0" rel="mw:WikiLink" title="Esmond Emerson Snell">Esmond E. Snell</a> isolated <a class="mw-redirect" href="./Folic_acid" id="mwAc4" rel="mw:WikiLink" title="Folic acid">folic acid</a> from four tons of processed spinach?