title: Henk Spekreijse (1940-2006).
authors.affiliation: Center for Vision Research, Department of Psychology, York University, North York, Ontario, Canada M3J 1P3. dregan@yorku.ca
authors.forename: David
authors.initials: D
authors.lastname: Regan
mesh_terms: D035843:Biomedical Research / Q000266:history; D004594:Electrophysiology / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009426:Netherlands; D009885:Ophthalmology / Q000266:history*; D011601:Psychophysics / Q000266:history