%0 Journal Article %T Mayr, mathematics and the study of evolution %A Crow James F %J Journal of Biology %D 2009 %I %R 10.1186/jbiol117 %X In 1959 Ernst Mayr challenged the relevance of mathematical models to evolutionary studies and was answered by JBS Haldane in a witty and convincing essay. Fifty years on, I conclude that the importance of mathematics has in fact increased and will continue to do so. %U http://jbiol.com/content/8/2/13