Dennis Ritchie, the man who invented C, co-created Unix, and is largely regarded as effectively influencing every software system we use on a daily basis. 

His  death was largely ignored, overshadowed by Steve Jobs' death, one week before. https://image.nostr.build/128e92c0b39d54a4703f0ba27250f1a147845430396548671440fe85993886d4.jpg