The Strong is named after E.K. Strong, who developed the instrument in the 1920s after working with the military to place recruits in suitable jobs. Over the years, it's been revised a number of times to update the questions and the professions listed. It has helped people in their career searches since its inception. Today, it's used for career and educational choices, to help people understand job dissatisfaction, and as a selection tool for those hiring or educating others.