Thomas Principe, also known as the ".22 Caliber Killer", was an Italian-American Gambino crime family street soldier and close friend of John Gotti from New York City Alleged to have been part of a special hit squad that would order executions with silencer-equipped .22 caliber pistols, earning them the title in the newspapers as "the .22 Caliber hitters".
 alleged members considered to make up the team of executioners were thought by the Federal Bureau of Investigation (FBI) to be Vincent Gigante, John DiGilio, Salvatore Briguglio and Tommy.
 The team of "hitters" were suspected of being responsible for at least twenty gangland executions since 1976, including six FBI informants and potential witnesses.
 The most publicized murder, claimed to have been the team's 21st victim was former Manhattan assistant District Attorney Gino Gallina.
 Gallina had become a lawyer, defending major crime figures including East Coast Genovese crime family members.
 He was gunned down in gangland style on a Greenwich Village street.
 Seven bullets riddled Gallina and he died ninety minutes later.
 At the time, Gallina was a key witness before a Newark, New Jersey grand jury, testifying, among other things, on Mafia executions performed by the suspected ".22 Caliber Hitters".
 He was claimed a victim of the team of executioners even though the bullets that killed him were from a .38-caliber handgun.
 Federal officials blamed his slaying on a leak from the grand jury.
Theater Company of Boston (TCB) was co-founded by David Wheeler and Naomi Thornton in 1963.
 Wheeler served as its artistic director until its closure in 1975.
 Actors including Al Pacino, Robert DeNiro, Dustin Hoffman, Robert Duvall, Jon Voight, Stockard Channing, James Woods, Blythe Danner, Larry Bryggman, John Cazale, Hector Elizondo, Spalding Gray, Paul Guilfoyle, Ralph Waite, Charles Siebert and Paul Benedict were part of the company.
 Following Wheeler's death, Pacino described him as "one of the lights of my life".
David Findley Wheeler (c. 1925 – January 4, 2012) was an American theatrical director.
 He was the founder and artistic director of the Theater Company of Boston (TCB) from 1963 to 1975.
 He served as its artistic director until its closure in 1975.
 Actors including Al Pacino, Robert DeNiro, Dustin Hoffman, Robert Duvall, Jon Voight, Stockard Channing, James Woods, Blythe Danner, Larry Bryggman, John Cazale, Hector Elizondo, Spalding Gray, Paul Guilfoyle, Ralph Waite and Paul Benedict were part of the company.
John Holland Cazale ( ; ] ; August 12, 1935 – March 13, 1978) was an American actor.
 He appeared in five films over a period of six years, all of which were nominated for the Academy Award for Best Picture: "The Godfather", "The Conversation", "The Godfather Part II", "Dog Day Afternoon", and "The Deer Hunter."
 He appeared in archival footage in "The Godfather Part III", also nominated for Best Picture, making him the only actor to have this multi-film distinction.
 From his start as a theater actor, he became one of Hollywood's premier character actors, starting with his role as the doomed, weak-minded Fredo Corleone opposite longtime friend Al Pacino in Francis Ford Coppola's film "The Godfather" and its 1974 sequel.
 Cazale chose to continue acting despite being diagnosed with lung cancer.
 He died in New York City on March 13, 1978, shortly after completing his role in "The Deer Hunter".
The Conversation is a 1974 American mystery thriller film written, produced and directed by Francis Ford Coppola and starring Gene Hackman with supporting roles by John Cazale, Allen Garfield, Cindy Williams, Frederic Forrest, Harrison Ford, Teri Garr and Robert Duvall.
Fredo (Frederico) Corleone is a fictional character in Mario Puzo's novel "The Godfather".
 Fredo is portrayed by American actor John Cazale in the Francis Ford Coppola film adaptation and in the sequel, "The Godfather Part II".
The Deer Hunter is a 1978 American epic war drama film co-written and directed by Michael Cimino about a trio of Russian American steelworkers whose lives are changed forever after they fight in the Vietnam War.
 The three soldiers are played by Robert De Niro, Christopher Walken, and John Savage, with John Cazale (in his final role), Meryl Streep, and George Dzundza playing supporting roles.
 The story takes place in Clairton, Pennsylvania, a small working class town on the Monongahela River south of Pittsburgh, and in Vietnam.
Dog Day Afternoon is a 1975 American crime drama film directed by Sidney Lumet, written by Frank Pierson, and produced by Martin Bregman and Martin Elfand.
 The film stars Al Pacino, John Cazale, Charles Durning, Chris Sarandon, Penelope Allen, James Broderick, Lance Henriksen, and Carol Kane.
 The title refers to the sultry "dog days" of summer.
I Knew It Was You: Rediscovering John Cazale is a 2009 American documentary film about actor John Cazale, directed by Richard Shepard and produced by Brett Ratner, Stacey Reiss and Richard Shepard.
Salvatore Antonio "Sal" Naturale, also known as Donald Matterson (c. 1953/1954– August 23, 1972) was an American bank robber whose attempted robbery of a Chase Manhattan bank branch in Brooklyn, along with John Wojtowicz, in August 1972, inspired the 1975 film "Dog Day Afternoon."
 In the film he is portrayed by actor John Cazale.

Question: Who died more recently, Salvatore Naturale, or John Cazale?
Answer: John Cazale