.O'Rear, Greg

[?-] TAE.

.Ogden, C.

[?-] TAE. Placed an artificial error into the Anthropomorphic Principle, then said "Hey, there's an error in there!".

.Osborn, Henry Fairfield

[1857-1935] Paleontologist. Proponent of "aristogenesis", a variant of orthogenesis. Part of the group which misclassified Nebraska Man (Hesperopithecus), also the leader of the group which did more field work and discovered the misclassification.

.Osborne, Chris D.

[?-] SciCre-ist. Assistant Professor of Biology at the ICR, visiting faculty.

.Otto, Jeff

[?-] Geneticist. Graduate student at Marquette University. Regular on the Evolution Echo, former co-moderator of the Evolution Echo, and t.o. participant. Author of FAQ on abiogenesis.

.Overton, William

[1939-1987] Jurist. Presided over the 1981 Arkansas Act 590 "Balanced Treatment" trial. His decision in this case is considered a lucid exposition of why SciCre is religion, not science.

.Owen, Richard

[1804-1892] Paleontologist. Creationist; at first friend, then main opponent of Charles Darwin.