Claims Quote by Ernst Mayr

Indeed, I was unable to find any evidence whatsoever of the occurrence of a drastic evolutionary acceleration and genetic reconstruction in widespread, populous species.

— Ernst Mayr

I was taught over and over again that the accumulation of random mutations led to evolutionary change - led to new species. I believed…

— Lynn Margulis

My theory of evolution is that Darwin was adopted.

— Steven Wright

“For evolution to be true, there would have been innumerable transitional forms between different types of creatures. Therefore, for every known fossil species, many…

— Jonathan Sarfati

Evolution - evolutionary change - does not happen quickly.

— Jack Horner

Although much remains obscure, and will long remain obscure, ... I am convinced that Natural Selection has been the main but not exclusive means…

— Charles Darwin

Paleontologists had long been aware of a seeming contradiction between Darwin's postulate of gradualism, confirmed by the work of population genetics, and the actual…

— Ernst Mayr

Darwin based his theory on generalizations that were strictly empirical. You can go out and see that organisms do vary, that variations are inherited,…

— George C. Williams

My own field of paleontology has strongly challenged the Darwinian premise that life's major transformations can be explained by adding up, through the immensity…

— Stephen Jay Gould

“Universally accepted, microevolution has limits for what it can explain. These limits do not reach the center where the controversy lies - the Thesis…

— Jon Morrison

“While micro-evolution--change within species--has been observed in the laboratory, macro-evolution--change from one species to another has not, and never will be.”

— Bob Beasley

“I published that theory [of speciational evolution] in a 1954 paper…and I clearly related it to paleontology. Darwin argued that the fossil record is…

— Ernst Mayr