The Actor paradigm is indeed very powerful. It has been reinvented many times since it was first published in 1973. For example, Erlang was a reinvention that

The Actor paradigm is indeed very powerful. It has been reinvented many times since it was first published in 1973. For example, Erlang was a reinvention that put the paradigm into many practical applications :-) However, only more recently has it been characterized up to a unique isomorphism. See the following article: https://papers.ssrn.com/abstract=3459566 https://papers.ssrn.com/abstract=3459566 The most important code to be written now is for the foundations of Universal Intelligent Systems :-)