Years ago I talked to an older APL pro, that got lucky enough to work on a project where he wrote APL interactively on a Cray. I can't remember most of the deta

Years ago I talked to an older APL pro, that got lucky enough to work on a project where he wrote APL interactively on a Cray. I can't remember most of the details, but holy cow, that must have been like being handed a fighter jet in the biplane era.