Leonard Dodd Derry ( -1952) of the Esso Development Co
1952 Obituary [1]
We have learned with regret of the death of Mr. Leonard D. Derry, A.M.I.Mech.E., which occurred at Plainfield, New Jersey, on June 6th, following an illness which developed during a business visit to the U.S.A.
Mr. Derry was in charge of lubricants research at the Abingdon, Berks, laboratories of the Esso Development Company, Ltd.