Founded the International Society of Sport Psychology (ISSP) and organized the first World Congress in Rome.

Early researcher who taught relaxation techniques to boxers and aviators during the 'Isolated Research' era.

Conducted the first sport psych experiment (1898) on social influence using cyclists.

Father of North American Sport Psychology; established the first lab and worked with the Chicago Cubs.

Early Harvard researcher who conducted lab-based experiments on reaction times and speed-accuracy trade-offs.

Responsible for the field's scientific development and training future leaders at UC Berkeley.

Stated that physical education is for the sake of 'mental and moral culture', not just physical.

Father of North American Applied Sport Psychology; co-authored 'Problem Athletes and How to Handle Them'.