Question: What was the profession of both Ralph Smart and Garth Jennings?

Context articles: Hammer &amp; Tongs
Ralph Smart
Bush Christmas (1947 film)
Always a Bride (1953 film)
The Good Old Days (film)
A Boy, a Girl and a Bike
Danger Man
Garth Jennings
Henry Murdoch
Curtain Up

Hammer & Tongs is the pseudonym of British director and producer duo, promo and film director Garth Jennings and producer Nick Goldsmith, as well as the name of their production company.
 Best known for their work on music videos for Blur ("Coffee & TV") and Supergrass ("Pumping on Your Stereo"), Hammer & Tongs have moved on to directing movies, their debut being the 2005 film version of "The Hitchhiker's Guide to the Galaxy".
 Due to the success of his debut feature Jennings raised £3.5 million to produce "Son of Rambow".
Ralph Foster Smart {'1': ", '2': ", '3': ", '4': "} (27 August 1908 – 12 February 2001) was a film and television producer, director, and writer, born in England to Australian parents.
Bush Christmas is a 1947 Australian–British comedy film directed by Ralph Smart and starring Chips Rafferty.
 It was one of the first movies from Children's Entertainment Films, later the Children's Film Foundation.
Always a Bride is a 1953 British comedy film directed by Ralph Smart and starring Peggy Cummins, Terence Morgan and Ronald Squire.
 The film's sets were designed by Maurice Carter.
The Good Old Days is a 1939 British comedy film directed by Roy William Neill.
 Written by Austin Melford and John Dighton based on a story by Ralph Smart, it stars Max Miller, Hal Walters and Kathleen Gibson.
 The film tells the story of group of entertainers struggling to obtain permission to perform at a tavern in 1840.
A Boy, a Girl and a Bike is a 1949 British romantic comedy film directed by Ralph Smart and starring John McCallum, Honor Blackman and Patrick Holt.
 The film's art direction was by George Provis.
 The film concerns the romantic escapades and adventures of a Yorkshire cycling club.
Danger Man (titled Secret Agent in the United States, and Destination Danger and John Drake in other non-UK markets) is a British television series which was broadcast between 1960 and 1962, and again between 1964 and 1968.
 The series featured Patrick McGoohan as secret agent John Drake.
 Ralph Smart created the programme and wrote many of the scripts.
 "Danger Man" was financed by Lew Grade's ITC Entertainment.
Garth Jennings (born 1972) is a British film director, screenwriter, producer and actor.
 He is best known for directing and writing the 2016 film "Sing".
 Jennings co-founded the production company Hammer & Tongs.
Henry Murdoch (17 September, 1920 - 24 April, 1987), born as George Henry Murdock, was an Australian aboriginal actor and stockman who appeared in Australian films of the 1940s and 1950s.
 He was working as stockman in Rockhampton when discovered by Ralph Smart, who was helping make "The Overlanders" (1946).
 The film's director, Harry Watt, later claimed Murdoch and fellow aboriginal actor Clyde Combo "proved to be first-class actors and were exceedingly quick witted and intelligent.
 They certainly disproved the conventional idea that the Australian aboriginal is an animalistic caveman."
Curtain Up is a 1952 British film directed by Ralph Smart, written by Jack Davies and Michael Pertwee.
 It is based on the play "On Monday Next" by Philip King.