Professional decline begins sooner than expected
Luci Gutiérrez, from the linked article. Arthur C. Brooks, in his July 2019 Atlantic article Your Professional Decline Is Coming (Much) Sooner Than You Think, confronts an uncomfortable truth: professional decline begins much earlier than most people expect. The core of Brooks’ argument is based on psychologist Raymond Cattell’s work from the 1940s, which distinguished between fluid and crystallized intelligence. Fluid intelligence—analytical capacity, processing speed, and the ability to solve novel problems—peaks in one’s early thirties and then declines precipitously, which explains why many tech entrepreneurs achieve fame and fortune in their twenties but enter creative decline by age 30. ...