251.M¨¢rio Jos¨¦ Domingues
252.Cyril Domb
253.Anatoly Petrovich Domanitsky
254.Calaway H. Dodson
255.Frederick J. Dockstader
256.Theodosius Dobzhansky
257.Mikhail Leonidovich Djibladze
258.Robert William Ditchburn
259.David Diringer
260.George J. Annas
261.Vilmos Di¨®szegi
262.Edward C. Dimock
263.Haim Zalman Dimitrovsky
264.Sven Dijkgraaf
265.G¨¦rard Diffloth
266.Heide Dienst
267.Kwamina Busumafi Dickson
268.Harry T. Dickinson
269.James Dickie
270.Bern Dibner
271.Pierre Robert Angel
272.Carlo Diano
273.Igor Mikhailovich Diakonoff
274.Kenneth J. DeWoskin
275.John C. Dewdney
276.John F. Devlin
277.Herman Jean de Vleeschauwer
278.Georges Dethan
279.Norman Wilfred Desrosier
280.Aleksandar R. Despi?
281.Hubert Jules Deschamps
282.J.A. Andrups
283.Pierre Descargues
284.Wilfrid Desan
285.Ranjit Ramchandra Desai
286.Paul E. Pieris Deraniyagala
287.Ludwig Denecke
288.William N. Dember
289.Armand H. Delsemme
290.Henri J. Delporte
291.Nikolay Andreyev
292.Dwight Moore DeLong
293.George G. Dekker
294.John Coleman de Graft-Johnson
295.Alexander DeConde
296.Robert W. Decker
297.Barbara B. Decker
298.Michael E. DeBakey
299.The Most Rev. Ralph Stanley Dean
300.Warren Andrew