sentences:  A third writer, Jeff Nathanson, was hired in November 2010 to rewrite the segment of the script that takes place in 1969.Nathanson and Koepp, along with producer Spielberg, had previously worked together on the 2008 film "Indiana Jones and the Kingdom of the Crystal Skull", which Spielberg directed.Special effects artist Rick Baker created the practical aliens and prosthetic makeup for the film, reprising his role from the previous two "Men in Black" films.