Hermann Snellen was born in 1834.
Hermann Snellen died in 1908.
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 was born in 1818.
Snellen chart was created in 1862.
Paul Hermann was born in 1646.
Hermann Muthesius was born in 1861.
snellen chart
Hermann Maaß was born on 1897-10-23.
Hermann Friedrich Stannius was born in 1808.
Hermann Schneider was born in 1940.
Hermann Matt was born in 1929.