Ellison alleged that James Cameron's film The Terminator drew from material from Ellison's "Soldier" and "Demon with a Glass Hand" episodes of The Outer Limits.
Ellison was hired as a writer for Walt Disney Studios but was fired on his first day after Roy O. Disney overheard him in the studio commissary joking about making a pornographic animated film featuring Disney characters.
Ellison tem uma reputação de ser abrasivo e argumentativa. Ele tem, em geral concordaram com essa avaliação, e uma sobrecapa de um dos livros de Ellison descreveu-o como "possivelmente a pessoa mais controversa na Terra". Ellison apresentou queixas e tentativas de ações judiciais; como parte de uma disputa sobre o cumprimento de um contrato, uma vez que ele enviou duzentos e treze tijolos seguido por um gopher morto via correio quarta classe sem pagar a postagem. O seu amigo Isaac Asimov observou que "Harlan usa seus dons para invectiva colorido e variado sobre os que o irritam -. fãs intrusivas, editores, editores obstinados insensíveis, estranhos ofensivos "Outro amigo, o escritor Robert Bloch, falou em um assado por Ellison, dizendo que, enquanto outras pessoas tomam dores infinitas ", Harlan lhes dá."
Ellison tem repetidamente criticado como Star Trek criador e produtor Gene Roddenberry (e outros) reescreveu o roteiro original para o 1967 episódio "The City on the Edge of Forever". Trabalho original de Ellison incluiu uma subtrama envolvendo o tráfico de drogas a bordo da Enterprise,
In 1969, Ellison was Guest of Honor at Texas A&M University's first science fiction convention, Aggiecon, where he reportedly[27] referred to the university's Corps of Cadets as "... America's next generation of Nazis ...", inspired in part by the continuing Vietnam War. Although the university was no longer solely a military school (from 1965), the studentry was predominantly made up of cadet members. Between Ellison's anti-military remarks and a food fight that broke out in the ballroom of the hotel where the gathering was held
In the 1980s, Ellison allegedly publicly assaulted author and critic Charles Platt at the Nebula Awards banquet. Platt did not pursue legal action against Ellison, and the two men later signed a "non-aggression pact", promising never to discuss the incident again nor to have any contact with one another. Platt claims that Ellison has often publicly boasted about the incident.
On August 26, 2006, during the 64th World Science Fiction Convention, Ellison put his hand on award-winning novelist Connie Willis' breast while on stage at the Hugo Awards ceremony
fonte: http://en.wikipedia.org/wiki/Harlan_Ellison