The following are two emails from Alan Kay to Stefan Ram in July 2003, clarifying what "object-oriented programming" originally meant to the person who coined the term. Source: http://www.purl.org/stefan_ram/pub/doc_kay_oop_en Email 1 — July 23, 2003​ Subject: Re: Clarification of "object-oriented" Hi Stefan — Sorry for the delay but I was on vacation. At 6:27 PM +0200 7/17/03, Stefan Ram wrote: Dear Dr. Kay, I would like to have some authoritative word on the term "object-oriented programming" ...