Here's an interesting memo in which Gene Roddenberry discusses a recap of the original characters somewhere mid season production of TOS' second season.
http://www.missionlogpodcast.com/discovereddocuments/040/
I find the remarks regarding Spock quite interesting, particularly his obersavation that Spock is a difficult character to write properly.
http://www.missionlogpodcast.com/discovereddocuments/040/
I find the remarks regarding Spock quite interesting, particularly his obersavation that Spock is a difficult character to write properly.