Superman (Salkind films) him to contradict Jor-El's orders to avoid altering human history, time traveling to save her from dying. Superman instead takes the advice of Jonathan Kent, his father on Earth. One of the most important aspects in the first and second films was the romantic relationship between the two main characters; Clark was hopelessly in love with Lois and even gave up his powers in order to be with her as depicted in "Superman II". The character and the portrayal by Christopher Reeve has garnered positive reviews by film critics and many other journalists. American Film Institute ranked Reeve's take on
Superman with superhuman powers. The Nazis also thought Superman was a Jew and in 1940 Joseph Goebbels publicly denounced Superman and his creator Jerry Siegel. However, the historian Martin Lund argues that the evidence for Jewish influence is circumstantial, and notes that Jerry Siegel was not a practicing Jew and that he never acknowledged the influence of Judaism in any memoir or interview. Superman stories have occasionally exhibited Christian themes as well. Screenwriter Tom Mankiewicz consciously made Superman an allegory for Christ in the 1978 movie starring Christopher Reeve: baby Kal-El's ship resembles the Star of Bethlehem, and Jor-El gives his