Hendrik Zwaardemaker

Hendrik Zwaardemaker ( born May 10, 1857 in Haarlem, † September 19, 1930 in Utrecht ) was a Dutch physiologist.

Life

He was the son of a bookseller and publisher and writer Jacoba Berendina Visscher.

In 1874 he began in Amsterdam his studies in medicine at the Atheneum illustrious, which was collected soon after the university. 1879-1881 he devoted himself as prosector of Wilhelm Kühne of pathological anatomy and then physiology in the laboratory of Prof. Place. After he received his doctorate in 1883 with a Schriff About ischemia of the heart wall to Doctor medicinae, he remained there for two years as an assistant in physiology.

He had then committed for twelve years as a military doctor. In the ears therapists claim Hermann Schwartze of Halle and Adam Politzer in Vienna, he was trained as specialists. For one year he represented the then professor of pathological anatomy and general pathology Cornelis Adrianus Pekelharing in Utrecht, who had traveled to India. He was then entrusted to the Veterinary School in Utrecht, where Franciscus Cornelis Donders taught the lesson in anatomy and pathological anatomy.

Donders support him in his model of an olfactory diameter ( olfactometer ). In 1888 he gave contribution to the physiology of the smell out, in the Olfaktie, olfactometry and compensation of the odors were expressed. By 1895 The physiology of smell appeared he showed rhinologists and psychiatrists, as you can examine the first cranial nerve. He also examined the respiratory and developed the Ärodromometer. In addition, he devoted himself to the hearing and presbycusis discovered in 1890.

On September 24, 1897, he was appointed professor of physiology at the University of Utrecht. With his inaugural speech About the speech sounds he heralded the experimental phonetics, followed by the philologist Gallée involved. 1909/10 he served as rector of the university and became professor emeritus in 1927.

He also discovered that the salt of potash or other radioactive substances stimulate the heart.

In 1903, he founded with other Guye and the Netherlands ears and neck nose healers Club. 1919 Zwaardemaker member of the German Leopoldina.