 Complete the following phrase:  Russian Ilia Klimkin was the first male skater to complete a quadruple Salchow in combination, with a quadruple toe loop jump, at the Nebelhorn Trophy in 1999. Alexandra Trusova, also from Russia, was the first woman skater to complete a quadruple Salchow in combination, also with a quadruple toe loop, at the 2018 World Junior Championships. Timothy Goebel was the first skater to complete three quadruples, two quadruple Salchows in combination with the triple and quadruple toe loop jump. American Nathan Chen was the first skater to complete four quadruple jumps in the same program: two quadruple Salchows, one in combination with the double toe, and the quadruple toe in combination with the double toe, and the quadruple toe, at the 