Proper noun
Kruskal
A surname.
In 1965 Norman Zabusky of Bell Labs and Martin Kruskal of Princeton University first demonstrated soliton behavior in media subject to the Korteweg–de Vries equation (KdV equation) in a computational investigation using a finite difference approach. Source: Internet
The latter sets are also closed under the exponential function as defined by Kruskal and Gonshor. Source: Internet
This was soon followed by a paper by Martin David Kruskal and Martin Schwarzschild discussing pinch machines, however, which demonstrated instabilities in those devices were inherent to the design. Source: Internet