Christian Gottlieb Kratzenstein
Encyclopedia
Christian Gottlieb Kratzenstein (1723–1795) was a German doctor
, physicist
and engineer
.
In 1769 Kratzenstein constructed resonant cavities which, when he excited them by a vibrating reed, produced the sounds of the five vowel
s: a, e, i, o, and u.
Physician
A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...
, physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...
and engineer
Engineer
An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...
.
In 1769 Kratzenstein constructed resonant cavities which, when he excited them by a vibrating reed, produced the sounds of the five vowel
Vowel
In phonetics, a vowel is a sound in spoken language, such as English ah! or oh! , pronounced with an open vocal tract so that there is no build-up of air pressure at any point above the glottis. This contrasts with consonants, such as English sh! , where there is a constriction or closure at some...
s: a, e, i, o, and u.
Further reading
- Susan Splinter: Zwischen Nützlichkeit und Nachahmung: eine Biografie des Gelehrten Christian Gottlieb Kratzenstein (1723–1795). Frankfurt (Main): Peter Lang, 2007 ISBN 9783631569580
- Sieghard Scheffczyk: "Aus Wernigerode nach Europa - Das bewegte Leben des Christian Gottlieb Kratzenstein". In: Neue Wernigeröder Zeitung; 4, 2011, p. 21