1983 Photomicrography Competition

Wafer of electronic grade polycrystalline silicon

Joseph A Psioda Eric D Bieler

Affiliation
Union Carbide Corp.
Central Scientific Laboratory
Tarrytown, New York, USA
Technique
Differential Interference Contrast and Polarized Light
Magnification
250x

Oocyte (egg cell) from Xenopus laevis (South African clawed toad)

John M Murray

Affiliation
University of Pennsylvania
Department of Anatomy
Philadelphia, Pennsylvania, USA
Technique
Darkfield
Magnification
30x

Gonyaulax polyedra

James F Roeber

Affiliation
Harvard University
Biological Laboratories
Cambridge, Massachusetts, USA
Technique
Fluorescence
Magnification
400x