Overview Dr. William Roy Overlease (1925-2007) was a botanist, ornithologist, ecologist, and educator who worked as a professor in the Biology Department at West Chester State College/West Chester University from 1963 to 1986. The collection contains final drafts of his publications, research data and notes his publications were based on, professional correspondence, material related to courses he taught, and material related to the establishment of the Robert B. Gordon Natural Area for Environmental...