know simply as ubuntu. >> reporter: he today called tutu a friend, a moral compass for me and so many others. president biden sending his condolences to tutu's wife leah and their family saying his legacy transcends borders and will echo throughout the ages. queen elizabeth praising him as someone who tirelessly championed human rights in south africa and across the world. and south africa's president heralding tutu as a hero from a generation of outstanding south africans who have bequeathed us a liberated south africa. tutu became the first black archbishop of cape town, but his childhood was spent under white south africa's brutally enforced apartheid system. he campaigned for economic sanctions and in 1985 when the uk and u.s. were eventually convinced to pull all investments from the country, it crippled the economy, forcing the apartheid regime to reform. he had been awarded the nobel peace prize a year earlier which he credited with helping signal the beginning of the end of