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Clyde Hendrick
Clyde A. Hendrick was an American social psychologist, and a Horn Professor of Psychology at Texas Tech University. Along with his wife, Susan Hendrick, he is known for developing the Love Attitudes Scale, an instrument commonly used in romantic love research.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Research methods in personality and social psychology
1990
ISBN 9780803936492
Close relationships
2000
ISBN 9780761916062