The Old school basic fit,,,

Height:
In the saddle, pedal not at 6:00 but as far from the saddle as possible,, often about the 5:30 position, HEEL on pedal knee LOCKED straight.

Forward/rearward saddle pos:
Pedals at 3:00AM and 9:00PM, Hands on the bars, hang a string with a small weight on the end over the curve of your knee. the weight should land on your toes at the back of your toes...

Your Head should be over the stem for the best control but not for casual riding...