Some of his inventions from that time, including an object-oriented programming language called Smalltalk, went into Croquet.

FORBES: Croquet, Everyone?

The glue that melds Applixware Office's features together into coherent applications is an object-oriented macro programming language called ELF (Extension Language Facility).

CNN: Review: Applixware Office 5.0 for Linux

Like fixing any jumble, software gets organized by putting like things in boxes--a process called "abstraction"--and it flourished in the coming years through techniques like object-oriented programming, which shapes the Internet's Java language.

FORBES: The Biggest Damn Opportunity

It is such whiffs of Welsh triumphalism that English-only speakers object to the not-very-subtle implication that the only real Welsh are those who speak the language.

ECONOMIST: The Welsh language