Len Lesser's birth name is Leonard King Lesser.
Michael Len's birth name is James Michael Len.
Len Kasper's birth name is Len Joseph Kasper.
Len Wayland's birth name is Leonard Wayland.
Len Hammond's birth name is Leonard Hammond.
Len Teeuws's birth name is Leonard Teeuws.
Len Barry's birth name is Leonard Borisoff.
Len Rohde's birth name is Leonard Emil Rohde.
Len Roos's birth name is Leonard H. Roos.
Len Adleman's birth name is Leonard Max Adleman.
Len Elmore's birth name is Leonard J. Elmore.
Len Deighton's birth name is Leonard Cyril Deighton.
Len Dawson's birth name is Leonard Ray Dawson.