Are Murray Grigor and Leslie H. Martinson both Scottish directors?
no
Murray Grigor
William Alexander Murray Grigor OBE (born 1939) is a Scottish film maker, writer and exhibition curator who has served as director of the Edinburgh International Film Festival.
 He has made over 50 films with a focus on arts and architecture documentaries.
Leslie H. Martinson
Leslie Herbert "Les" Martinson (January 16, 1915 – September 3, 2016) was an American television and film director.
Escape from Angola
Escape from Angola is a 1976 adventure film directed by Leslie H. Martinson.
 It stars Stan Brock and Anne Collings and was co-produced by Ivan Tors whose children act in the film with Ivan making a cameo appearance. FBI Code 98
FBI Code 98 is a 1962 crime drama directed by Leslie H. Martinson and produced by Warner Bros. Originally intended as television pilot, the film was instead released theatrically in the United Kingdom in 1962, and in the United States in 1964.
 "FBI Code 98" stars many Warner Bros. contract players such as Jack Kelly, Ray Danton, Andrew Duggan and William Reynolds who later costarred on the Warner Bros Television show "The F.B.I.".
 The film was narrated by William Woodson who previously narrated the radio show "The FBI in Peace and War". For Those Who Think Young (film)
For Those Who Think Young is a 1964 beach party film shot in Techniscope, directed by Leslie H. Martinson and featuring James Darren, Pamela Tiffin, Paul Lynde, Tina Louise, Bob Denver, Nancy Sinatra, Robert Middleton, Ellen Burstyn (billed as Ellen McRae), Claudia Martin and Woody Woodbury. Missile X – Geheimauftrag Neutronenbombe
Missile X – Geheimauftrag Neutronenbombe is a 1978 German/Italian/Spanish international co-production Eurospyadventure film directed by Leslie H. Martinson.
 It stars Peter Graves and Curd Jürgens.
 The translated title is "Missile X: The Neutron Bomb Incident".
 It is also known in the USA as "Teheran Incident".
 It was released on home video in the early 1980s as "Cruise Missile".
 Most of the movie was filmed on location in and around Tehran, Iran in 1978 before the Iranian Revolution overthrew Iran's Shah. Mrs. Pollifax-Spy
Mrs. Pollifax-Spy is a 1971 comedy film directed by Leslie H. Martinson, starring Rosalind Russell and Darren McGavin, and released by United Artists.
 This was Russell's last theatrical film role, with one TV movie in 1972.
 Russell adapted the novel "The Unexpected Mrs. Pollifax", written by Dorothy Gilman under the pseudonym C. A. McKnight. The Atomic Kid
The Atomic Kid is a 1954 American black-and-white science fiction comedy film from Republic Pictures, produced by Maurice Duke and Mickey Rooney, directed by Leslie H. Martinson, that stars Mickey Rooney and Robert Strauss. And Millions Will Die
...And Millions Will Die!
 (aka "And Millions Die") is a 1973 Australian television film shot in Hong Kong directed by Leslie H. Martinson. Black Gold (1962 film)
Black Gold is a 1962 adventure film directed by Leslie H. Martinson and written by Bob Duncan, Wanda Duncan and Harry Whittington .
 The film stars Philip Carey, Diane McBain, James Best, Fay Spain, Claude Akins and William Edward Phipps.
 The film was released by Warner Bros. on July 21, 1962.