The document provides an overview of several influential career development theories: 1. Ginzberg, Ginsburg, Axelrad and Herma Theory from 1951 proposes career choice is a developmental process through fantasy, tentative and realistic stages from preteen to young adulthood. 2. Super's Theory of Vocational Choice from 1954 describes six life and career stages and emphasizes the role of changing self-concept. 3. Holland's Career Typology from 1959 categorizes personalities and work environments to explain career choices. 4. Lent, Brown and Hackett's Social Cognitive Career Theory from 1987 focuses on how self-efficacy, expectations and goals shape career choices within social and economic contexts.