New details have emerged on Chadwick Boseman’s tragic death from colon cancer. The acclaimed actor passed away last week at the age of 43, and his death came as a shock to many who weren’t even aware that he was even sick. THR reports that this privacy was by design as “Only a handful of non-family members knew that Boseman was sick, including producing partner Logan Coles, longtime agent Michael Greene, trainer Addison Henderson and 42 director Brian Helgeland — with varying degrees of knowledge about the severity of the actor’s condition.” No one involved with Black …