Bjo Trimble was among the leaders of the successful effort to persuade NBC to renew the show for a third season .
Bjo Trimble wrote the first edition of the important early work Star Trek Concordance in 1969 .
Bjo Trimble was among the leaders of the successful effort to persuade NBC to renew the show for a third season , and wrote the first edition of the important early work Star Trek Concordance in 1969 .