what are the names of people who have served as commissioner of food and drugs?
harvey washington wiley, m.d., carl l. alsberg m.d., walter gilbert campbell, charles albert browne, jr., walter gilbert campbell, paul b. dunbar, ph.d., charles w. crawford, george p. larrick, james lee goddard, m.d., herbert leonard ley, jr., m.d., charles c. edwards, m.d., alexander mackay schmidt, m.d., donald kennedy, ph.d., jere edwin goyan, ph.d., arthur hull hayes jr., m.d., frank edward young, m.d., ph.d., david aaron kessler, m.d., jane ellen henney, m.d., mark barr mcclellan, m.d., ph.d, lester mills crawford, d.v.m., ph., andrew c. von eschenbach, m.d., margaret a. hamburg, m.d.
who was in office while george w. bush was president?
mark barr mcclellan, m.d., ph.d, lester mills crawford, d.v.m., ph., andrew c. von eschenbach, m.d.
of those who served for the shortest amount of time?
lester mills crawford, d.v.m., ph.