To consumate the union' value $500 answer Frank Church round Double Jeopardy! Show_number 4359 category BETTER KNOWN AS... Air_date 1999-06-28 question 'This X-ray discoverer conducted numerous other researches including on elasticity' value $1200 answer Senegal round Double Jeopardy! Show_number 5698 category THAT'S A RAP air_date 2008-06-02 question 'This late ballet star made his debut.