Accessibility & Assistive

Hugh Herr

BiOM T2 powered ankle-foot prosthesis

United StatesEvidence: high confidenceChecked July 2026

Hugh Herr led work on a powered ankle-foot prosthesis commercialized as the BiOM T2, whose sensors, springs, actuators and microprocessors actively propel the wearer. MIT reports that the device was the first foot-and-ankle prosthesis to add energy to gait rather than merely return it.

01

What Hugh did

Led development of the powered ankle-foot prosthesis commercialized as the BiOM T2.

02

Why it matters

The powered ankle-foot prosthesis was recognized by TIME among its top health inventions and demonstrated near-normal walking speed and metabolism for amputees.

03

Living-status check

MIT's current McGovern Institute profile lists Herr as an associate investigator, MIT Media Lab professor, and co-director of the K. Lisa Yang Center for Bionics in 2026.