Portrait of Ingeborg Hochmair
#1 · Ingeborg Hochmair
Inventorbook list 06 / 15

The 10 most influential accessibility and assistive inventors

Ten people whose documented physical devices expanded communication, mobility, perception, or independence.

Ranked within accessibility & assistive using evidence of physical-world reach, a defining technical contribution, sustained relevance and source quality. Open any profile to inspect the underlying evidence.

  1. 01
    Portrait of Ingeborg Hochmair

    Austria

    Ingeborg Hochmair

    Multichannel cochlear implant

    Her multichannel cochlear implant is credited with restoring hearing for more than one million people.

    Profile + sources
  2. 02
    Portrait of Alim Louis Benabid

    France

    Alim Louis Benabid

    Programmable deep-brain stimulation system

    Programmable deep-brain stimulation transformed treatment for thousands of people with movement disorders.

    Profile + sources
  3. 03
    Portrait of Hugh Herr

    United States

    Hugh Herr

    BiOM T2 powered ankle-foot prosthesis

    The BiOM T2 showed that a powered ankle-foot prosthesis could add energy to gait.

    Profile + sources
  4. 04
    Portrait of Van Phillips

    United States

    Van Phillips

    Flex-Foot carbon-graphite prosthetic running leg

    The Flex-Foot design is used in some form by 90% of Paralympic athletes.

    Profile + sources
  5. 05
    Mark S. Humayun — Mark Humayun, MD, PhD | USC Ginsburg Institute for Biomedical Therapeutics

    United States

    Mark S. Humayun

    Argus II retinal prosthesis

    Argus II was the first FDA-approved implanted electronic device to re-establish functional vision for blind patients.

    Profile + sources
  6. 06
    Portrait of Grégoire Courtine

    Switzerland

    Grégoire Courtine

    Electronic spinal-stimulation implant

    Electronic spinal stimulation enabled voluntary movement after spinal-cord injury.

    Profile + sources
  7. 07
    Portrait of John Donoghue

    United States

    John Donoghue

    Brain-computer interface for external devices

    His brain-computer-interface leadership enabled people with paralysis to regain independence.

    Profile + sources
  8. 08
    Portrait of Elena García Armada

    Spain

    Elena García Armada

    Adaptable pediatric robotic exoskeleton

    Her pediatric robotic exoskeleton made gait-assistance hardware available specifically for children with neuromuscular conditions.

    Profile + sources
  9. 09
    Portrait of Joel Gibbard

    United Kingdom

    Joel Gibbard

    Hero Arm multi-grip bionic prosthetic arm

    Open Bionics reported more than 1,000 Hero Arm users and new product launches in 2025.

    Profile + sources
  10. 10
    Portrait of Amos Winter

    United States

    Amos Winter

    Leveraged Freedom Chair all-terrain wheelchair

    The Leveraged Freedom Chair won an R&D 100 award and became a documented global-accessibility product.

    Profile + sources