Luis Alvarez

Arriving at the Rad Lab "spectacularly unqualified" to contribute by his own later account, read every published nuclear-physics journal article in the physics library within a year -- learning to spot important papers by the darkened, fingered edges of their pages.

Documented inventor of Ground Control Approach radar landing, the hydrogen bubble chamber design that won him the 1968 Nobel Prize in Physics, and, decades later, the extraterrestrial-impact explanation for the dinosaur-ending mass extinction.

When a colleague casually mentioned an obscure physics paper, is recorded as recounting its content from memory, including the page a key graph appeared on and where on the page to find it.

This specific, witnessed demonstration of recall for technical material is part of the basis for the profile's mastery_orientation score. Mastery Orientation

Built and directed a bubble-chamber research group of several hundred physicists, engineers, and technicians, while deliberately declining co-authorship credit on papers he felt he had not sufficiently contributed to.

Directing a large research program while declining credit he judged unearned is part of the basis for the profile's achievement_drive score. Achievement Drive