Joost Jacques Kalker, Date of Birth, Place of Birth, Date of Death

Joost Jacques Kalker

Dutch engineer

Date of Birth: 25-Jul-1933

Place of Birth: The Hague, County of Holland, Netherlands

Date of Death: 24-Apr-2006

Profession: engineer, university teacher

Zodiac Sign: Leo

Joost Jacques Kalker (25 July 1933 The Hague – 24 April 2006) was a Dutch professor at Delft University of Technology, recognized for his contributions to the field of Contact mechanics.
Particularly, in the case of railway systems, his results are used for solving wheel-rail contact problems and railway dynamics.
The linear elastic coefficients defined in his theory are known as the Kalker Coefficients.