Don Syme Alive
Created F# at Microsoft Research — ML on the CLR — and designed its computation expressions (async for everyone).
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Created F#
Created F# (2005) — brought OCaml's FP to .NET — and designed generics for .NET 2.0, then async workflows, then much of TypeScript's generics.\n\nMicrosoft Research's most productive language designer; 'the gentleman who brought FP to the enterprise.'