Hacker News Reader

Guy Steele, Rich Hickey, James Gosling, Kernighan and Ritchie, Guido Van Rossum, Bjarne Stroustrup.

Harder because the bar is really high.

Nickles Worth (or Niklaus Wirth if you prefer to call him by name rather than value).

Wasn't Stroustrup more a language designer than a compiler guy?