Thin Man (nuclear bomb) and the name came from the Dashiell Hammett detective novel "The Thin Man" and series of movies by the same name. The "Fat Man" bomb would be round and fat and was named after Sydney Greenstreet's character in "The Maltese Falcon". "Little Boy" would come last and be named only to contrast to the "Thin Man" bomb. Oppenheimer assembled a team at the Los Alamos Laboratory to work on plutonium gun design that included senior engineer Edwin McMillan and senior physicists Charles Critchfield and Joseph Hirschfelder. Critchfield had been working with sabots, which Oppenheimer believed would be required by the
Frederick Douglass: The Lion Who Wrote History Lion Who Wrote History" has also been reviewed by "Kirkus Reviews", "Publishers Weekly", "The New York Times", and Common Sense Media. Frederick Douglass: The Lion Who Wrote History Frederick Douglass: The Lion Who Wrote History is a 2017 picture book biography by Walter Dean Myers about the life of Frederick Douglass. "BookList", in a starred review, wrote "Focused, informative writing and strong, effective illustrations combine to make this the go-to Frederick Douglass biography for younger students." and the "School Library Journal" wrote "Although this title is similar in scope to Doreen Rappaport's "Frederick's Journey", the two books complement each other.