A lot of people over time have had this kind of pattern in their relationship with Bill Clinton. You first meet him and you're overwhelmed by his talent. He's so energetic and articulate and full of ideas and he calls himself a congenital optimist and that optimism is contagious.
There's no doubt that scientific training helps many authors to write better science fiction. And yet several of the very best were English majors who could not parse a differential equation to save their lives.