Method acting is a range of training and rehearsal techniques that seek to encourage sincere and emotionally expressive performances, as formulated by a number of different theatre practitioners, principally in the United States, where it is among the most popular—and controversial—approaches to acting.
Definition from Wikipedia – Method acting
Stella Adler (February 10, 1901 – December 21, 1992) was an American actress and acting teacher. She founded the Stella Adler Studio of Acting in New York City in 1949. Later in life she taught part time in Los Angeles, with the assistance of protégée, actress Joanne Linville, who continues to teach Adler's technique.
Definition from Wikipedia – Stella Adler
Lee Strasberg (born Israel Strassberg; November 17, 1901 – February 17, 1982) was a Polish-born American actor, director, and theatre practitioner.
Definition from Wikipedia – Lee Strasberg
Konstantin Sergeievich Stanislavski (né Alexeiev; Russian: Константи́н Серге́евич Станисла́вский; 17 January [O.S.
Definition from Wikipedia – Konstantin Stanislavski