Binary package “libherwig59-2-gfortran” in ubuntu focal

[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.