Yes, there are quite a few videos on YouTube about him, named “The man who should have been Bill Gates” but that’s just click baiting. Watch the special episode of “The Computer Chronicles” about Gary Kildall and see what his friends and business associates say about him.
Interpreter - an entirely different kind of animal. Microsoft didn't get a BASIC compiler until much later.
> He helped Wozniak implement a version of BASIC supporting floating point numbers.
No. He sold Apple a BASIC, then used it as leverage to prevent Apple from making a BASIC for the Macintosh.
> Ballmer was the biggest businessman in the bunch.
He suggested cutting Paul Allen's family off when Allen was battling cancer.
D's compile time function execution engine works that way. So does the Javascript compiler/interpreter engine I wrote years ago, and the Java compiler I wrote eons ago.
The purpose to going all the way to generating machine code is the result often runs 10x faster.
This was used to save memory -- there wasn't much room to hold both the source code and an intermediate form. But also it wasn't that necessary, with the keywords tokenized and the syntax so simple that there wouldn't have been much savings in space or performance.