The Oscar-winning producer of “Oppenheimer,” Emma Thomas, expressed her gratitude to IMAX Corp (NYSE:IMAX) CEO Richard Gelfond during her acceptance speech at the 96th Academy Awards. What Happened: Thomas, who co-produced the movie “Oppenheimer,” delivered the final speech of the evening as she accepted the award for Best Picture. She took the opportunity to acknowledge the cast, crew, her husband, director Christopher Nolan, and IMAX CEO Gelfond. “The reason this movie is the movie it was was Chris Nolan,” she said. “He’s singular, he’s brilliant … and I’m so grateful for you.” See Also: For…