What is the proffesors name from Jurassic Park the lost world?

In "The Lost World: Jurassic Park," the professor's name is Ian Malcolm, portrayed by Jeff Goldblum. He is a mathematician and chaos theorist who plays a significant role in the story, advocating against the dangers of cloning dinosaurs. Malcolm's character is known for his skepticism about the ethical implications of scientific advancements and the unpredictability of complex systems.