God, that white exterior was cheesy.  Why did they ever paint it?  It looked so much better in natural brick.

The blame goes to Bill Veeck.  It was one of his great ideas after the 1959 season along with trading away younger future all-star players like Johnny Callison, Earl Battey, Don Mincher, Johnny Romano and Norm Cash for established aging 'stars' like Gene Freese, Roy Sievers and Minnie Minoso.