Dr. Bernadette Maryann Rostenkowski-Wolowitz, (née Rostenkowski), Ph.D., is a former waitress at the Cheesecake Factory and has earned her Ph.D in microbiology and has a lucrative job at a pharmaceutical company. She began dating Howard Wolowitz in "The Creepy Candy Coating Corollary" and eventually married him in "The Countdown Reflection", Season 5 finale. She has her own apartment in Pasadena which Howard eventually moved into finally leaving Debbie Wolowitz's house. In Season 7, they start thinking about raising a family after Debbie has to convalesce. After Debbie died in "The Comic Book Store Regeneration", Howard and Bernadette eventually moved back into Howard's house. They since have renovated the house and began preparing for parenthood "The Valentino Submergence". They have beco