Career
Foreign the clergyman and diplomat, see William H. Heard (ambassador). He is an emeritus professor in the Department of Biological Sciences, at Florida State University. He has had two species of mayflies named in his honor: Symbiocloeon heardi Müller-Liebenau and Povilla heardi Hubbard.
Heard discovered these insects in Thailand, where they were living within the shells of freshwater clams.