I've seen that name before. Isn't his full name Herb Solow? I'd have to go back and look at the ST:TOS episodes, but I think his name pop's up in the end credits as one of the DesiLu/Paramount high muckety-mucks. (Not that I'm making fun of the guy, but you never know who actually does real work, and whose name is there because of other reasons, like ego-stroking)
That said, at the time ST:TOS went on the air, the studio was still DesiLu, and that means that Lucy had to sign off on it. Even if it just meant going with the staff recommendation & placing her signature on the right pieces of paper, ultimately, it was her studio, her risks, her desk that the buck ultimately would stop at. So she deserves credit. As does the staff working for her who approved all of it as well.