Christmas Mac riddles 235

Here are this Christmas weekend’s riddles to entertain you through your celebrations.

1: Iodine Scotsman, a professional, was first with Apple’s chip.

2: Two gaberdines for the proposition, so different but only six years apart.

3: Atmospheric schools of whales at most cover your ears.

4: Hooker on view with ten, 500, right in front of your eyes.

To help you cross-check your solutions, there’s a very specific common factor between them.

I’ll post my solutions first thing on Tuesday (Boxing Day) morning.

Please don’t post your solutions as comments here: it spoils it for others.