Two pioneers of today's partial hospital and their ideas.

Inspiration for the modern-day hospital comes from two sources, the hospital-based work of D. Ewen Cameron and the community-oriented approach of Joshua Bierer. Examination of their respective viewpoints sheds light on the baffling diversity which partial hospitalization, at the interface of hospital and community, has manifested over the last four decades. Such an intellectual history offers insights into the provision of more rational day programming.