Lee Strasberg was an influential American actor, director, and acting teacher, known for his development of the Method Acting technique. Born in 1901, he co-founded the Group Theatre in New York City, which focused on realistic performances and social issues. Strasberg later became the artistic director of the Actors Studio, where he taught many famous actors. Strasberg's approach emphasized emotional authenticity and personal experience, encouraging actors to draw from their own lives to create believable characters. His teachings have had a lasting impact on the world of theater and film, shaping the craft of countless performers.