Answer the following question: What type of details about isaac singer  can be gathered from the following bio?  Bio: isaac merritt singer -lrb- october 27 , 1811 -- july 23 , 1875 -rrb- was an american inventor , actor , and entrepreneur . he made important improvements in the design of the sewing machine and was the founder of the singer sewing machine company . many had patented sewing machines before singer , but his success was based on the practicality of his machine , the ease with which it could be adapted to home use , and its availability on an installment payment basis . singer fathered at least 24 children with various wives and mistresses .
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