Prince did not speak publicly about his charitable endeavors; the extent of his activism, philanthropy, and charity was publicized after his death. In 2001, he anonymously donated $12,000 to the Louisville Free Public Library system to keep the historic Western Branch Library (the first full-service library for African-Americans in the country) from closure. That same year, he anonymously paid off the medical bills of drummer Clyde Stubblefield, who was undergoing cancer treatment. In 2015, he conceived and launched YesWeCode, paying for many hackathons outright and performing musical acts at some of them. He also helped fund the Green for All initiative.