LOS ANGELES — Gene Hackman, the two-time Oscar-winning actor, has been found dead in his New Mexico home.Authorities have opened an investigation into how Hackman, his wife and their dog died, though have said no foul play is suspected.One of the 20th century’s greatest actors, Hackman’s career spanned more than 40 years and a variety of roles, from tough-guy parts to comedic turns, playing heroes, villains and one iconic sports coach in ways that captivated audiences.[time-brightcove not-tgx=”true”]Here’s a list of notable Hackman films:1961 — Mad Dog Coll (debut)1964 — Lilith1966 — Hawaii1967 — Bonnie and Clyde (Academy Award nomination, supporting actor)1969 — The Gypsy Moths, Downhill Racer, and I Never Sang for My Father (Academy nomination, supporting actor)1971 — The French Connection (as “Popeye” Doyle, best actor Academy Award win)1972 — Prime Cut, Cisco Pike, and The Poseidon Adventure1974 — The Conversation and Young Frankenstein (cameo)1975 — The French Connection II and Lucky Lady1978 — Superman (as Lex Luthor)1980 — Superman II1981 — Reds1983 — Superman III1986 — Hoosiers1987 — No Way Out and Superman IV1988 — Mississippi Burning (best actor Academy Award nomination)1992 — Unforgiven (Academy Award win for supporting actor)1993 — The Firm1995 — Crimson Tide and Get Shorty1996 — The Birdcage, The Chamber, and Extreme Measures1997 — Absolute Power1998 — Twilight and Enemy of the State2000 — Under Suspicion and The Replacements2001 — The Mexican, Heist, The Royal Tenenbaums, and Behind Enemy Lines2003 — Runaway Jury2004 — Welcome to Mooseport