1981 Photomicrography Competition

Ice crystals on glass

Jack Kath

Affiliation
Merck Institute
Rahway, New Jersey, USA
Technique
Camera with macro lens and bellows
Magnification
20x

P-P’ DDT recrystallized from the melt

Ronald P. Reheld

Affiliation
IBM Corp.
Kingston, New York, USA
Technique
Polarized Light
Magnification
50x

Thin crystals of an aromatic hydrocarbon deposited on a glass slide from solution. Color produced by insertion of mica sheet

Jean-Claude Wittmann

Affiliation
Centre National de la Recherche Scientifique
Strasbourg, France
Technique
Polarized Light
Magnification
165x