Ig Ibert Bittencourt

Researcher

Stefan E. Schulenberg

Author

Everett Worthington

Clinical psychologist

Gail Ironson

Researcher

Maureen Neihart

Author

Itai Ivtzan

Researcher

Kendall Cotton Bronk

Author

Jonathan Haidt

American psychologist

Jamie A. Gruman

Robert J. Vallerand

Researcher

Willibald Ruch

Psychologist

Acacia C. Parks

Researcher

Lindsay Oades

Author

G. Uswatte

Author

Michael Wehmeyer

Todd Kashdan

American psychologist

Irma Eloff

Author