- 1954 (17 years old) | 1954
By 1954 at age 17, Bobby began experimenting with harder drugs, mainly heroin, which caused him to develop an addiction to the substance. That summer, he appeared in the stage play Ah! Wilderness at the Pasadena Playhouse. In September, Bobby returned to Hollywood Professional School for his last year of high school at his request.
- 1955 (18 years old) | 1955
Bobby graduated from Hollywood Professional School in 1955.