Martin Odersky, created Turbo Modula-2 for Borland, member of the Pizza language whose design lead to Java generics implementation, designer of the Scala language.
Erik Meyer, member of GHC design team and Haskell community, responsible for LINQ design bringing FP to the masses, reactive extensions in .NET which lead to the RX model adopted by Netflix, nowadays contributing back to Haskell at FB (if I am not mistaken).
Niklaus Wirth, creator of Pascal, Modula-2, Oberon, Oberon-2, Oberon-07. Helped Apple design Object Pascal for Mac OS and Lisa. Contributed feedback to Active Oberon and Component Pascal. Built single language workstations using the Modula and Oberon family of languages.
Erik Meyer, member of GHC design team and Haskell community, responsible for LINQ design bringing FP to the masses, reactive extensions in .NET which lead to the RX model adopted by Netflix, nowadays contributing back to Haskell at FB (if I am not mistaken).
Niklaus Wirth, creator of Pascal, Modula-2, Oberon, Oberon-2, Oberon-07. Helped Apple design Object Pascal for Mac OS and Lisa. Contributed feedback to Active Oberon and Component Pascal. Built single language workstations using the Modula and Oberon family of languages.