Hans Petter Langtangen (3 January 1962 – 10 October 2016) was a Norwegian scientist trained in mechanics and scientific computing.
Langtangen was the director of the Centre for Biomedical Computing, a Norwegian Center of Excellence[1] hosted by Simula Research Laboratory.
Prior to that, he held full-time and part-time positions as research scientist with SINTEF Applied Mathematics department from 1991 to 1997.
His last research is focused on cerebrospinal fluid flow in the brain and spine as well as methods for uncertainty quantification.
During the early and mid 1990s, Langtangen pioneered and developed Diffpack, a general C++ software library for the finite element solution of partial differential equations.
[19] Langtangen also promoted the use of Python for scientific computing through numerous journal papers and conference talks.