There is a researcher at The Harvard Medical School named David Ludwig who's done a terrific series of studies on the glycemic index and found how it relates to food intake, body weight regulation, and health.

在哈佛医学院有一个研究员,名叫大卫·路德维格,他在血糖指数方面,做了一系列出色的研究,并发现了血糖指数与食物摄取,体重控制以及健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Weeks mentioned his plan to make a 3-D map of ancient Thebes (Luxor today), and Ludwig's imagination was engaged.

FORBES: Treasure saver

The dozens of AR markers plastered to the three walls of Valve programmer Joe Ludwig's shared office are testament to that (seen above).

ENGADGET

Ludwig's gift to Weeks marked the beginning of a benevolent adventure.

FORBES: Treasure saver