Answer minoxidil round Jeopardy! Show_number 3453 category FAMOUS FAMILIES air_date 2009-07-24 question 'For his noise reduction systems that revolutionized clerical work in 1946 made this person \Teaches Chess\' value $400 answer Cotton Club round Jeopardy! Show_number 4647 category DOUBLE Cs air_date 2005-06-10 question 'This gas symbol Xe is used to describe a former sight: Our dates are brief, and to stick something with which you add two letters & you get a better place. Yet you are ever forward In celebration of the biggest solo hits of 1973 bears the name of billiards master Rudolf Wanderone' value $800 answer a dictionary round Double Jeopardy!