Thomas Rowe Price spent his formative years struggling with the Depression, and the lesson he learned was not to stay out of stocks but to embrace them. Price viewed financial markets as cyclical. As a "crowd opposer," he took to investing in good companies for the long term, which was virtually unheard of at this time. His investment philosophy was that investors had to put more focus on individual stock-picking for the long term. Discipline, process consistency and fundamental research became the basis for his successful investing career. “Growth stock” investing was a new idea that arose in the 1930s. Thomas Rowe Price was one of the founders of the theory. He publicly make the case for it in 1939.