Hendrik Zwaardemaker

Dutch physiologist (1857-1930) · Netherlands · On the map · Doctors · Died at 73

Hendrik Zwaardemaker was a Dutch scientist who invented the olfactometer in 1888.

Hendrik Zwaardemaker is read about 2.5 times a day, in 8 languages.

A typical day, 30 days to 8 October 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 75 days, one point a day.

Media & music

Doctor Honoris Causa from the University of Paris1930

Country

Netherlands