Answer
John Martin was the critic who wrote about Ognenovski's Carnegie Hall performance. He was a well-respected critic who had a keen eye for talent. He wrote that Ognenovski was a "brilliant pianist" with a "commanding technique". He also praised Ognenovski's interpretation of the pieces he played, saying that he brought "great insight" and "depth" to the music. Martin's review helped to launch Ognenovski's career as a concert pianist.