Muhammad Ali had perfect body proportions in the mid 60's. For example, here is a picture of Ali in 1965. http://www.success.com/sites/default/files/main/articles/Muhammad-Ali_0.jpg Look at his chest and shoulders. Perfect body proportions. Ali's body seemed to have fully developed in 1965 and he was only 23! The following years his body became more chiseled and slimmer. Ali should have fought more times in 1965 because he seemed unbeatable at that time. Took out sonny liston in one round and toyed against floyd patterson all through the fight.
I bet Wilt Chamberlain had better body proportions for the 60's... (and 00's as well...) 7''1 feet tall 92 inch reach 275 pounds of bones and muscles