Question: Who was born earlier, Anthony Mann or Roy Rowland?

Context paragraphs:
Hit the Deck (1955 film): Hit the Deck is a 1955 American musical film directed by Roy Rowland and starring Jane Powell, Tony Martin, Debbie Reynolds, Walter Pidgeon, Vic Damone, Gene Raymond, Ann Miller, and Russ Tamblyn.  It is based on the stage musical of the same name – which was itself based on the hit play "Shore Leave" by Hubert Osborne – and was shot in CinemaScope.  Although the film featured some songs from the stage musical, the plot was different.  Standards featured in the film include "Sometimes I'm Happy", "I Know that You Know", and "Hallelujah".

Affair with a Stranger: Affair with a Stranger is a 1953 American comedy-drama starring Jean Simmons and Victor Mature.  It was directed by Roy Rowland, and was originally to be released as Kiss and Run.

Bend of the River: Bend of the River is a 1952 American Technicolor Western film directed by Anthony Mann and starring James Stewart, Arthur Kennedy, Julie Adams, and Rock Hudson.  Based on the 1950 novel "Bend of the Snake" by Bill Gulick, the film is about a tough cowboy who risks his life to deliver confiscated supplies to homesteaders after gold is discovered in the region.  "Bend of the River" was filmed on location in Sandy River, Mount Hood and Timberline, Oregon.  This is the second Western film collaboration between Anthony Mann and James Stewart.

The Naked Spur: The Naked Spur is a 1953 Technicolor American Western film directed by Anthony Mann and starring James Stewart, Janet Leigh, and Robert Ryan.  Written by Sam Rolfe and Harold Jack Bloom, the film is about a bounty hunter who tries to bring a murderer to justice, and is forced to accept the help of two strangers who are less than trustworthy.  The original music score was composed by Bronislau Kaper and the cinematography was by William C. Mellor.  "The Naked Spur" was filmed on location in Durango and the San Juan Mountains in Colorado, and Lone Pine, California.  The film was nominated for an Academy Award for Best Original Screenplay—a rare honor for a Western.  This is the third Western film collaboration between Anthony Mann and James Stewart.

J. Roy Rowland: James Roy Rowland, Jr. (born February 3, 1926) is an American politician and physician from Georgia.

Anthony Mann: Anthony Mann (June 30, 1906 – April 29, 1967) was an American actor and film director, most notably of films noir and Westerns.  As a director, he often collaborated with the cinematographer John Alton and with actor James Stewart in his Westerns.

The Far Country: The Far Country is a 1954 American Technicolor Western romance film directed by Anthony Mann and starring James Stewart, Ruth Roman, Walter Brennan and Corinne Calvet.  Written by Borden Chase, the film is about a self-minded adventurer who locks horns with an evil, crooked judge while driving cattle to Dawson.  It is one of the few Westerns, along with "The Spoilers" and "North to Alaska", to be set (not filmed) in Alaska.  This is the fourth Western film collaboration between Anthony Mann and James Stewart.

Roy Rowland (film director): Roy Rowland (December 31, 1910 – June 29, 1995) was an American film director.  The New York-born director helmed a number of films in the 1950s and 1960s including "Our Vines Have Tender Grapes", "Meet Me in Las Vegas", "Rogue Cop", "The 5000 Fingers of Doctor T" and "The Girl Hunters".  Rowland married Ruth Cummings, the niece of Louis B. Mayer and sister of Jack Cummings (MGM producer/director).  They had one son, Steve Rowland, born in 1932, who later became a music producer in the UK, and has recently published his memoir "Hollywood Heat".

Steve Rowland (record producer): Steve Rowland (born Stephen Jacob Rowland, 3 September 1932, Los Angeles, California, United States) is an American singer, columnist, record producer and actor.  He grew up in Beverly Hills and now lives in Palm Springs, California.  His father is film director Roy Rowland, his mother Ruth was a writer, whilst Louis B. Mayer was her uncle.

Winchester '73: Winchester '73 is a 1950 American Western film directed by Anthony Mann starring James Stewart, Shelley Winters, Dan Duryea and Stephen McNally.  Written by Borden Chase and Robert L. Richards, the film is about the journey of a prized rifle from one ill-fated owner to another and a cowboy's search for a murderous fugitive.  The movie features early film performances by Rock Hudson as an American Indian, Tony Curtis, and James Best.  The film received a Writers Guild of America Award nomination for Best Written American Western.  This is the first Western film collaboration between Anthony Mann and James Stewart.  It was filmed in black and white.

Supporting paragraphs: Anthony Mann Roy Rowland (film director)
Answer: Anthony Mann