Professional Genealogy of Richard Roberts who -
Received his Ph.D. in 1993 at Yale University
under Donald M. Crothers, Ph.D. (U. of Calif., San Diego)
under Bruno H. Zimm, Ph.D. (Cal Tech, 1944)
under Joseph E. Mayer, Ph. D. (U. of Calif., Berkeley, 1927),
under Gilbert N. Lewis, Ph.D. (Harvard, 1899),
under Theodore William Richards, Ph. D. (Harvard, 1888),
under Josiah Parsons Cooke, Jr., B.A.(Harvard, 1848), who
    studied chemistry in Paris in 1849
under Jean B.A. Dumas, who was a lecture assistant (Paris, 1823),
under Louis Thenard, who was a student, bottle-waster and
    scullery boy in Paris in 1797
for Louis N. Vauquelin, who was a laboratory and lecture assistant
    in Paris in 1785
under Antoine F. deFourcroy, M.D. (Paris, 1780), who had been
    a student and assistant
under Jean B. M. Bucquet, M.D. (Paris, 1768), who had attended
    the chymistry lectures at Jardin du Roi
given by Guillaume F. Rouelle, an apprentice apothecary (Paris,
    1725-1732)
in the shop of J. G. Spitzley, pharmacist.