Lisa's Date with Density a child from Josh Weinstein's school days who everyday would get onto the bus with a piece of toast, which had Vaseline on it. A majority of the story is a reference to the film "Rebel Without a Cause". Lisa remarks that Nelson is "like a riddle wrapped in an enigma wrapped in a vest", a reference to "a riddle wrapped in a mystery inside an enigma"; this was Winston Churchill's opinion of Russia at the outbreak of the World War II. In its original broadcast, "Lisa's Date with Density" finished 63rd in ratings for the week of December 9–15,
Lumina Cotton Riddle Smyth professor from 1921 to 1924. Riddle was a member of the AAAS, the Agassiz Association, the Britton and Brown Botanical Club and both the Kansas and Ohio Academies of Science Riddle died in Cleveland, Ohio on 2 February 1939 Lumina Cotton Riddle Smyth Lumina Cotton Riddle (1871-1939) was an American botanist. She was a direct descendent of John Cotton. Born 18 March 1871, one of several children of Ida ("nee" Carlton) and George Riddle. Studied at Ohio State University where she received her BS in 1897, MS in 1898 and her doctorate in botany in 1905 - the first botany