Well, he adapted Clascal & Object Pascal from Lisa & Macintosh to the DOS/Windows PC world, and added a couple features from CLOS to turn it into Delphi, and married that with Sun’s C++-syntax bytecode-compiled variant of Objective-C to produce C#.
He certainly deserves credit for what he did, but not what those whose shoulders he stood on did.
Actually to produce J++, followed by a lawsuit, which made cool from MSR become C#, and J# come into existence to ease the porting from J++ code into C#.
Ironically 20 years later, Microsoft is again a Java vendor, and OpenJDK contributor.
He certainly deserves credit for what he did, but not what those whose shoulders he stood on did.