I fail to see how Eric Siday's nationality matters.
Nationality makes no difference (this wasn't the point).
Turns out that there are in fact two authors of the Screen Gems Logo, the other being Van Alexander (one of Screen Gems sixties in-house composers). I suspect Van contributed the muted trumpet fanfare bit at the end so the thing had a more regal "Hollywood-type" sound (Screen Gems, after all, being the television "arm" of Columbia Pictures) and didn't sound too much like a variation of the NBC "Chimes" ID. Still it was quite the change from what Frank DeVol had composed two or so years earlier.
FYI - Siday settled in America while in his mid-twenties, a naturalized citizen.
Thanks to all for the interesting info and observations so far. Any more comments on the album itself and the "truncated" (my controversial inverted commas) career of Arthur Morton as composer? Or even Alexander Courage?
Somebody loaded all of season two of "Medical Center" to youtube, so I checked IMDb and they only had one episode with a composer for that season, so I spent almost an hour yesterday submitting.
Courage did one, Arthur Morton did one, Richard Shores did one (he wasn't credited for any on IMDb), and Schifrin also did some (previously not listed for any episode scores on IMDb).
I did find some oddities on three or four episodes:
Schifrin is credited with John Parker on two or three episodes. And Stu Phillips also shares credit with Schifrin as well on one episode. And before anybody says it's because Schifrin did the theme music, the theme music was credited seperatedly underneath the composer credit, to Schifrin. It reminds me of that one episode of "Gunsmoke" that was credited to Parker and Leon Kaltzkin.