During the 1880s, the engineer Herman Hollerith devised a set of machines for compiling data from
Grade Range: 6-8
Resource Type(s): Interactives & Media, Worksheets
Duration: 15 minutes
Date Posted: 7/15/2011
You might remember Crockett Johnson as the writer and illustrator of Harold and the Purple Crayon. In this episode of the History Explorer podcast series, curator Peggy Kidwell discusses how Johnson's mathematical artwork was inspired by a growing interest among Americans in math and science. The resource includes an audio and an image-enhanced podcast, a teacher guide and student worksheet, and an image pack.