He's a loon.  Search for the techdirt.com articles.

On Wed, Feb 19, 2020, 7:07 PM Ed Carp <erc@pobox.com> wrote:
I've noticed that some guy named Dr. Shiva Ayyadurai is all over
Twitter, claiming that he is the inventor of email. He doesn't look
like he's nearly old enough. I thought it was Ray Tomlinson. Looks
like he's trying to create some press for his Senate run.

Anyone older that me here that can either confirm or deny? Thanks!