In the wake of Black Pantherstar Chadwick Boseman's death from colon cancer on Friday, Hollywood figures took to social media to pay tribute to the actor, who died at age 43 after a four year struggle with the disease. According to an official statement from the actor's representatives, Chadwick was diagnosed with stage III colon cancer in 2016.The actor died at his home in Los Angeles, surrounded by his wife and other family members.