[mercer]

He also made ZZT!

As far as 'getting into programming' goes, Sweeney is probably second only to Anders Heljsberg. Where the latter got me into 'proper' programming, until well into my late teens I was more interested in level editing and modding and whatnot.

In the same way that it was amazing to find out that the same guy was behind Turbo Pascal, Delphi and Typescript, it was amazing to discover that ZZT and UnrealED, years apart, were also just one guy. I spent so much time with these tools!