What type of details about tom lehrer can be gathered from the following bio? Bio: thomas andrew lehrer known as tom lehrer -lrb- ; born april 9 , 1928 -rrb- is an american singer-songwriter , satirist , pianist , and mathematician . he has lectured on mathematics and musical theater . he is best known for the pithy , humorous songs he recorded in the 1950s and '60s . his work often parodies popular song forms , though he usually creates original melodies when doing so . a notable exception is '' the elements '' , where he sets the names of the chemical elements to the tune of the '' major-general 's song '' from gilbert and sullivan 's '' pirates of penzance '' . lehrer 's early work typically dealt with non-topical subject matter and was noted for its black humor in songs such as '' poisoning pigeons in the park '' . in the 1960s , he produced a number of songs dealing with social and political issues of the day , particularly when he wrote for the u.s. version of the television show '' that was the week that was '' . despite their of-the-moment subject matter and references , the popularity of these songs has endured ; lehrer quoted a friend 's explanation : '' always predict the worst and you 'll be hailed as a prophet . '' in the early 1970s , he mostly retired from public performances to devote his time to teaching mathematics and music theatre at the university of california , santa cruz .
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