Gregory Bedny

Gregory Z. Bedny
Born(1938-10-08)October 8, 1938
Odesa, Ukraine (the former Soviet Union)
DiedJuly 22, 2018(2018-07-22) (aged 79)
Wayne, New Jersey, United States
NationalityAmerican
Known forA founder of the Systemic-Structural Activity Theory (SSAT)
Scientific career
FieldsHuman Factors
Ergonomics

Gregory Z. Bedny (Ukrainian: Бєдний Григорій Захарович; October 8, 1938 – July 22, 2018), a Ukrainian-American psychologist, was the founder of the Systemic-Structural Activity Theory (SSAT). He developed the qualitative and quantitative methods of the assessment of complexity, reliability and efficiency of human performance and applied his methods to human-machine and human-computer interaction.