You can now see profiles of famous scientists on Google Scholar citations. Here are links to a few of them (via Ben L.). Von Neumann, Einstein, Newton, Feynman But their impact on science pales in comparison (with the possible exception of Newton) to the impact of one statistician: R.A. Fisher. Many of the concepts he developed are so common and are considered so standard, that he is never cited/credited. Here are some examples of things he invented along with a conservative number of citations they would have received calculated via Google Scholar*.