Hendrik Zwaardemaker

Hendrik Zwaardemaker (10 May 1857, Haarlem – September 19 1930, Utrecht?) [ A. K. M. Noyons. Hendrik Zwaardemaker: 1857-1930. The American Journal of Psychology, Vol. 43, No. 3 (Jul., 1931), pp. 525-526 ] was a Dutch scientist who invented the olfactometer in 1888. [cite journal |quotes= |last=Eibenstein |first=A. |authorlink= |coauthors=et al. |year=2005 |month=July |title=Modern psychophysical tests to assess olfactory function |journal=Neurological Sciences |volume=26 |issue=3 |pages=147 – 155 |id=ISSN| 1590-1874 |doi=10.1007/s10072-005-0452-3 |url=http://www.springerlink.com/content/hr017515u3r8m386/ |accessdate=2007-01-15 ]

From 1897 to 1927 he was professor of Experimental Physiology at the University of Utrecht. In addition to his work on the sense of smell, he also conducted research on the human heart. He found that salts of potassium and other radioactive elements stimulated the heart. [cite news | url=http://www.time.com/time/magazine/article/0,9171,738236,00.html | title=Heart Radioactivity | publisher=TIME | date=December 9 1929 | accessdate=2007-01-15] His major work was "Die Physiologie des Geruchs" (Physiologie of Olfaction), it appeared in 1895.

References

[http://www.kupsy.kyoto-u.ac.jp/museum/28.html Olfactometer nach Zwaardemaker]