He used jumping and falling in his choreography. He reinvented traditional Irish dance. He was the greatest dancer in film history. He used of "jazz hands" in his choreography.

The information provided describes a dancer who incorporated jumping and falling into his choreography, reinvented traditional Irish dance, and was considered the greatest dancer in film history. Additionally, he used "jazz hands" in his choreography. This description seems to be referring to Gene Kelly, a renowned dancer and choreographer known for his innovative and energetic style in film. Gene Kelly was indeed famous for his use of "jazz hands" in his choreography, which became one of his signature moves. He was also known for his ability to reinvent traditional dance styles, such as Irish dance, and for his impressive jumping and falling techniques in his choreography. Gene Kelly's contributions to dance and film history are still celebrated and admired today.