Install libherwig59-2-gfortran by entering the following commands in the terminal:
sudo apt update sudo apt install libherwig59-2-gfortran
Description:
[Physics] Monte Carlo event generator simulating hadronic events
HERWIG is a general-purpose event generator for high energy hadronic processes, with particular emphasis on the detailed simulation of QCD parton showers. . Note that in order to compile and link programs against this library, you must also install the libherwig59-2-dev package.
Homepage: http://wwwasd.web.cern.ch/wwwasd/cernlib/mc.html
Version: 20061220+dfsg3-3.1build1
Section: universe/libs