The former Wonder Years star gave birth to baby Draco on Tuesday evening
Danica McKellar is most famous for portraying Winnie Cooper, the childhood sweetheart of series protagonist Kevin Arnold on "The Wonder Years."
Danica McKellar strips down to lingerie for a grown-up shoot for Maxim
The mathematician and husband Mike Verta expect their first child this fall
The former Wonder Years star tells PEOPLE the details of her big day