Question: What is the name of the the special effects artists who worked on a film following the actions of a "Sandman"?

Context articles: The Chiodo Brothers
Dan Sudick
Brothers Strause
Special effects supervisor
Frank Van der Veer
MTV Video Music Award for Best Visual Effects
The Monster Squad
Cinefex
Logan's Run (film)
John Dykstra

The Chiodo Brothers (Stephen, Charles & Edward Chiodo; born in Bronx, New York) are an American group of sibling special effects artists, specializing in clay modeling, creature creation, stop motion and animatronics.
 Known for their film "Killer Klowns from Outer Space" as well as creating puppets and effects for films such as "Critters", "Ernest Scared Stupid", and "".
 The Chiodo Brothers did the claymation sequence for the Large Marge scene from "Pee-wee's Big Adventure".
 They created the elaborate mouse dioramas and "mouseterpieces" featured in the 2010 film "Dinner for Schmucks".
 The band Chiodos was originally named "The Chiodos Brothers" after them, before modifying their title slightly.
Dan Sudick is a special effects supervisor.
 Sudick and his fellow visual effects artists were nominated for an Academy Award for Best Visual Effects for the 2008 film "Iron Man", the 2013 film "Iron Man 3" and the 2014 film "".
Brothers Greg and Colin Strause (self-titled as the Brothers Strause) are a duo of American film directors, producers and special effects artists, most known for directing "" and "Skyline", which were both commercially successful but critical failures.
 They are the founders of Hydraulx, a special effects company.
A special effects supervisor (also referred to as a special effects coordinator or SFX Supervisor) is an individual who works on a commercial, theater, television or film set creating special effects.
 The supervisor generally is the department head who defers to the film's director and/or producers, and who is in charge of the entire special effects team.
 Special effects include anything that is manual or mechanically manipulated (also called "practical effects" or in camera effects).
 This may include the use of mechanized props, special effects makeup, props, scenery, scale models, pyrotechnics and atmospheric effects: creating physical wind, rain, fog, snow, clouds etc.
Frank Van der Veer (June 2, 1921 - January 7, 1982) was an American optical and visual special effects artist who won (and shared) a Special Achievement Academy Award at the 49th Academy Awards for Best Visual Effects for the film "King Kong" (1976).
 His career spanned over three decades from the 1950s until his death in the early 1980s, having participated in the Hollywood special effects industry with such other films as "The Towering Inferno" (1974), "Killer Bees" (1974), "Logan's Run" (1976), "Star Wars" (1977), "1941" (1979), "Flash Gordon" (1980), "Clash of the Titans" (1981) and "Conan the Barbarian" (1982).
The MTV Video Music Award for Best Visual Effects in a Video is a craft award given to the artist, the artist's manager, and the visual effects artists and/or visual effects company of the music video.
 Prior to the 2012 awards this category was named Best Special Effects in a Video, with the award going to those responsible for the bringing together the special effects in the video (directors, special effects supervisors, artists and/or companies).
The Monster Squad is a 1987 horror comedy film written by Shane Black and Fred Dekker and directed by Dekker (who also wrote and directed "Night of the Creeps"); Peter Hyams was one of the executive producers.
 It was released by TriStar Pictures on August 14, 1987.
 The film features the Universal Monsters (re-imagined by a team of special effects artists including Stan Winston), led by Count Dracula.
 They, in turn, combat a group of savvy kids out to keep them from controlling the world.
Cinefex is a bimonthly journal covering visual effects in cinema, launched in 1980 by author Don Shay.
 Each issue features lengthy, detailed articles that describe the creative and technical processes behind current film; the information is drawn from interviews with the effects artists and technicians involved.
 Each issue also features many behind-the-scenes photographs illustrating the progression of visual effects shots, from the previsualization stages to the final products, as well as the execution of miniatures, pyrotechnics, make-up work, and other related special effects.
Logan's Run is a 1976 American science fiction film directed by Michael Anderson and starring Michael York, Jenny Agutter, Richard Jordan, Roscoe Lee Browne, Farrah Fawcett, and Peter Ustinov.
 The screenplay by David Zelag Goodman is based on the book "Logan's Run" by William F. Nolan and George Clayton Johnson.
 It depicts a utopian future society on the surface, revealed as a dystopia where the population and the consumption of resources are maintained in equilibrium by killing everyone who reaches the age of 30.
 The story follows the actions of Logan 5, a "Sandman", one who has terminated others who have attempted to escape death, and is now faced with termination, himself.
John Charles Dykstra, A.S.C. (born June 3, 1947 in Long Beach, California, United States) is an American special effects artist, pioneer in the development of the use of computers in filmmaking and recipient of three Academy Awards, among many other awards and prizes.
 He was one of the original founders of Industrial Light & Magic, the special effects and computer graphics division of Lucasfilm.
 He is well known as the special effects lead on the original "Star Wars", helping bring the original visuals for lightsabers, space battles between X-wings and TIE fighters, and Force powers to the screen.
 He also led special effects on many other movies, including "Batman Forever", "Batman and Robin", "Stuart Little", "", "Spider-Man" and "Spider-Man 2".