Teenage Drama Workshop actor David Gurian sits for his transformation into title character "Rumpelstiltskin" in the summer 1966 production. Begun in 1958 by San Fernando Valley State College theater professor, William Schlosser, the Teenage Drama Workshop is a summer-stock style conservatory for teens aged 12-18. (1 of 4) Black and white photograph, 4 x 5 in.