Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Anglo-Irish natural philosopher Robert Boyle (1627-1691), c. 1689

The Shannon Portrait of the Hon. Robert Boyle FRS. (1627-1691). Oil painting on canvas by Johann Kerseboom (d. 1708). (Source: Science History Institute, Philadelphia, Pennsylvania. Public domain.)