I believe Russell was only 6’9” himself. Chamberlain, in my opinion, did not make the players around him better. That’s why I would rate Russell ahead of Chamberlain.
Love me some spam. Nothing like it !! Not for everyone though . Frat brother ( and football player 1962-65) Deke Drum worked for Hormel in Fremont one summer. Went to see him and saw him shoveling all the meat (spam)in a grinder .