She was mentored by and collaborated with Mary Jeanne Kreek. In his later years, Williams mentored and influenced many younger poets. Khan has mentored a number of aspiring Bollywood actors. Humboldt was generous toward his friends and mentored young scientists. He had been mentored by Li Meng, a Confucian academic. Each team of singers are mentored and developed by their coach. Leibovitz has suggested that Sontag mentored her and constructively criticized her work. During this season, Young was mentored by Chavo Guerrero. There Parks was mentored by the veteran organizer Septima Clark. Throughout 2013, Max Martin and his fellow Swedish producer Shellback mentored Lo. He was mentored by stuntmen in riding and other Western skills. Early on, he mentored their young center, Andrew Bynum. He has mentored and advised many startups, and is also an angel investor. Among those she mentored was comedian Andy Kaufman. She mentored his emergence as a solo singing star.