TOP 5 GREATEST HOLLYWOOD DIRECTORS OF ALL TIME

1)STEVEN SPIELBERG

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In a career spanning more than four decades, Spielberg's films have spanned many themes and genres. Spielberg's early science-fiction and adventure films, such as Jaws (1975), Close Encounters of the Third Kind (1977), Raiders of the Lost Ark (1981), and E.T. the Extra-Terrestrial (1982), were seen as archetypes of modern Hollywood escapist filmmaking. In later years, his films began addressing humanistic issues such as the Holocaust, the transatlantic slave trade, civil rights, war, and terrorism in such films as The Color Purple (1985), Empire of the Sun (1987), Schindler's List (1993), Amistad (1997), Saving Private Ryan (1998), Munich (2005), War Horse(2011), Lincoln (2012), and Bridge of Spies (2015). His other films include Jurassic Park (1993), A.I. Artificial Intelligence (2001), and War of the Worlds (2005).Spielberg won the Academy Award for Best Director for Schindler's List and Saving Private Ryan, as well as receiving five other nominations.Three of Spielberg's films—Jaws, E.T. the Extra-Terrestrial, and Jurassic Park—achieved box office records, originated and came to epitomize the blockbuster film. The unadjusted gross of all Spielberg-directed films exceeds $9 billion worldwide, making him the highest-grossing director in history. His personal net worth is estimated to be more than $3 billion.

2)ALFRED HITCHCOCK 
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he pioneered many of the suspense and thriller genres , he had a successful career in british cinema with both silent films and early talkies. he was renowned as england's best director till moving to hollywood in 1939. hitchcocks stylish trademark includes use of camera movement that uses a persons gaze forcing viewers in a form of voyeurism. he framed shots to maximize the audience's fear , anxiety & empathy , and also used innovative forms of film editing. in 1978 film critic john russel taylor described hithcock as "universally most recognisable person" and a "straight forward english middle class men who just happened to an artistics genius "
one scholer wrote "hitchcock did more than film maker to shape the modern cinema which wouldbe utterly different without him , his flair was for narrative which was cruelly subholding  crucial information and witholding the audience like no one else. hithcock's first thriller The lodger :story of london fog ( 1926 )was a great masterpiece movie following with movies like BLACKMAIL( 1929 ), REARWINDOW( 1954 ) ,VERTIGO( 1958 ) ,NORTH BY NORTHWEST( 1959 ) & PSYCHO(1960 ) (which was a movie based on a serial killer ).Hithcock was nominated 5 times for Academy award for best director but not winning even once, he also won 2 golden globe awards for best director
3)MARTIN SCORSESE
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is an American director, producer, screenwriter, and film historian, whose career spans more than 50 years. Scorsese's body of work addresses such themes as Sicilian-American identity, Roman Catholic concepts of guilt and redemption, faith, machismo, modern crime, and gang conflict. Many of his films are also known for their depiction of violence and liberal use of profanity.He has directed works such as the crime film Mean Streets (1973), the vigilante-thriller Taxi Driver (1976), the biographical sports drama Raging Bull (1980), the black comedy The King of Comedy (1983), the religious epic drama The Last Temptation of Christ (1988), the crime film Goodfellas (1990), the psychological thriller Cape Fear (1991) and the crime film Casino (1995), some of which he collaborated on with actor and close friend Robert De Niro. Scorsese has also been noted for his successful collaborations with actor Leonardo DiCaprio, having directed him in five films, beginning with Gangs of New York (2002) and most recently The Wolf of Wall Street (2013). Their third film together, The Departed, won Scorsese the Academy Award for Best Director in addition to the film winning the award for Best Picture. Their collaborations have resulted in numerous Academy Award nominations for both as well as them winning several other prestigious awards. Scorsese's other film work includes the concert film The Last Waltz (1978), the black comedy After Hours (1985), the biographical drama The Aviator (2004), the psychological thriller Shutter Island (2010), the historical adventure drama Hugo (2011) and the religious epic Silence (2016). 

4)QUENTINE TARANTINO
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an American director, writer, and actor. His films are characterized by nonlinear storylines, satirical subject matter, an aestheticization of violence, extended scenes of dialogue, ensemble casts consisting of established and lesser-known performers, references to popular culture, soundtracks primarily containing songs and score pieces from the 1960s to the 1980s, and features of neo-noir film. He is widely considered one of the greatest filmmakers of his generation.Pulp Fiction (1994), a black comedy crime film that was a major success both among critics and audiences. Judged the greatest film from 1983–2008 by Entertainment Weekly, many critics and scholars have named it one of the most significant works of modern cinema.For his next effort, Tarantino paid homage to the blaxploitation films of the 1970s with Jackie Brown (1997), an adaptation of the novel Rum Punch. Kill Bill, a highly stylized "revenge flick" in the cinematic traditions of Kung fu films, Japanese martial arts, Spaghetti Westerns and Italian horror, followed six years later, and was released as two films: Volume 1 in 2003 and Volume 2 in 2004. Tarantino directed Death Proof (2007) as part of a double feature with friend Robert Rodriguez, under the collective title Grindhouse. His long-postponed Inglourious Basterds, which tells the fictional alternate history story of two plots to assassinate Nazi Germany's political leadership, was released in 2009 to positive reviews. After that came 2012's critically acclaimed Django Unchained, a Western film set in the antebellum era of the Deep South. It became the highest-grossing film of his career so far, making over $425 million at the box office. His eighth film, the mystery Western The Hateful Eight, was released in its roadshow version December 25, 2015, in 70 mm film format, complete with opening "overture" and halfway-point intermission, after the fashion of big-budget films of the 1960s and early 1970s. Tarantino's films have garnered both critical and commercial success. He has received many industry awards, including two Academy Awards, two Golden Globe Awards

5.)STANLEY KUBRICK
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an American film director, screenwriter, producer, cinematographer, editor, and photographer. He is frequently cited as one of the greatest and most influential directors in cinematic history. His films, which are mostly adaptations of novels or short stories, cover a wide range of genres, and are noted for their realism, dark humor, unique cinematography, extensive set designs, and evocative use of music. A demanding perfectionist, Kubrick assumed control over most aspects of the filmmaking process, from direction and writing to editing, and took painstaking care with researching his films and staging scenes, working in close coordination with his actors and other collaborators. He often asked for several dozen retakes of the same scene in a movie, which resulted in many conflicts with his casts. Despite the resulting notoriety among actors, many of Kubrick's films broke new ground in cinematography. The scientific realism and innovative special effects of 2001: A Space Odyssey (1968) were without precedent in the history of cinema, and the film earned him his only personal Oscar, for Best Visual Effects. Steven Spielberg has referred to the film as his generation's "big bang", and it is regarded as one of the greatest films ever made. For the 18th-century period film Barry Lyndon (1975), Kubrick obtained lenses developed by Zeiss for NASA, to film scenes under natural candlelight. With The Shining (1980), he became one of the first directors to make use of a Steadicam for stabilized and fluid tracking shots. While many of Kubrick's films were controversial and initially received mixed reviews upon release—particularly A Clockwork Orange (1971), which Kubrick pulled from circulation in the UK following a mass media frenzy—most were nominated for Oscars, Golden Globes, or BAFTA Awards, and underwent critical reevaluations. His last film, Eyes Wide Shut, was completed shortly before his death in 1999 at the age of 70.


OTHER HONOURABLE MENTIONS
FRANCIS FORD COPPOLA :
FAMOUS WORKS :  The Godfather(1972) , The Godfather 2(1974), The Conversation, Apocalypse Now

JAMES CAMEROON :
FAMOUS WORKS : Titanic(1996), Terminator, Avatar

WOODY ALLEN :
FAMOUS WORKS : Annie Hall( ), Manhattan ( ), Hannah and her sisters (1986) , Stardust Memories ( ), The purple Rose of cairo (1985), Match point(2005)

WILLIAM WYLER:
FAMOUS WORKS : Ben hur(1959) , Roman holiday( ), Funny Girl( ),Hell's Heroes (1930), Dodsworth (1936), The Westerner (1940), The Letter (1940), Friendly Persuasion (1956), The Big Country (1958), The Children's Hour (1961) and How to Steal a Million (1966).

sources : https://en.wikipedia.org/wiki/Stanley_Kubrick   
https://en.wikipedia.org/wiki/Steven_Spielberg
https://en.wikipedia.org/wiki/Martin_Scorsese
https://en.wikipedia.org/wiki/Alfred_Hitchcock
https://en.wikipedia.org/wiki/Quentin_Tarantino