Follow-up: Something I should know, but cannot remember at present -- were scripts for the second pilot ["The Omega Glory," "Mudd's Women," and "Where No Man Has Gone Before" were commissioned before the latter was chosen] initially written with Pike instead of Kirk, or was the character recast before the episodes went to teleplay?
According to Inside Star Trek
, Hunter dropped out before those three scripts were written. Between that, The Making of ST
, and the Unseen Elements of the Original Series Episodes
site, I can offer the following rough chronology:
May 18, 1965: Roddenberry issues a memo listing many possible character names for the new captain, with "Kirk" at the bottom (though with "North" penciled in after it).
May 27: First draft script of "Where No Man..." refers to captain as Kirk.
First week in June: The three scripts are submitted to NBC.
June 10: Herb Solow orders "Where No Man..." put into production.
June 18: Roddenberry refers to "Kirk" in memos.
Sometime in June: William Shatner cast.