Art Kusnyer
"Catcher for Nolan Ryan's Second No Hitter - 7/15/1973"
I sent a request to Art Kusnyer asking him to tell the story on a baseball about Nolan Ryan's Second No Hitter from the perspective of the catcher and this is what I got:
He did not write much but apparently Ryan's 17 strikeouts in the game is the most for a no hitter.
A boxscore is here