Hermann Snellen died in 1908.
Hermann Snellen was born in 1834.
Dr. Hermann snellan is the doctor that invented the snellen eye chart.
Hermann Snellen, a Dutch ophthalmologist, is credited with inventing the Snellen chart, which is used to test visual acuity by measuring a person's ability to see letters or symbols at a distance.
Samuel Constantinus Snellen van Vollenhoven died in 1880.
Snellen chart was created in 1862.
snellen chart
Hermann Diehl died in 1983.
Hermann Kletke died in 1886.
Hermann Bonitz died in 1888.
Hermann of Salm died in 1088.
Hermann Brockhaus died in 1877.
Hermann Zumpe died in 1903.