I saw him in old Griffith Stadium in DC when I was a kid. He could hit the ball - it just kept going and going.
Me too.
Killebrew, Lemon, Sievers, Allison, Pascual, etc.
Trivia:
The only part of the old Metropolitan Staduium that remains is the seat that Killebrew hit with the longest homerun there. It is located in its same spot in the present Mall of America: