Meryl Streep picked up her first Academy Award win for acting in which movie?

Mary Louise "Meryl" Streep (born June 22, 1949) is an American actress. Often described as the "best actress of her generation", Streep is particularly known for her versatility and accents. Nominated for a record 21 Academy Awards, she has won three. Among other accolades, she has received a record 32 Golden Globe nominations, and has won eight.

Streep made her stage debut in "Trelawny of the Wells" and received a Tony Award nomination for "27 Wagons Full of Cotton" and "A Memory of Two Mondays" in 1976. In 1978, she won a Primetime Emmy Award for her leading role in the miniseries "Holocaust", and received her first Oscar nomination for "The Deer Hunter". Streep won her first Academy Award for Best Supporting Actress for playing a troubled wife in "Kramer vs. Kramer" (1979) and went on to establish herself as a film actress in the 1980s.

"Kramer vs. Kramer" is a 1979 American legal drama film written and directed by Robert Benton, based on Avery Corman's 1977 novel of the same name. The film stars Dustin Hoffman, Meryl Streep, Jane Alexander, and Justin Henry. It tells the story of a couple's divorce, its impact on their young son, and the subsequent evolution of their relationship and views on parenting. The film explores the psychology and fallout of divorce and touches upon prevailing or emerging social issues such as gender roles, women's rights, fathers' rights, work-life balance, and single parents.