[From] "the same couple as is best known through the biographical 1950 film and book Cheaper by the Dozen." [Time and Motion Study..] .. is a major part of sc

[From] "the same couple as is best known through the biographical 1950 film and book Cheaper by the Dozen." [Time and Motion Study..] .. is a major part of scientific management" https://en.m.wikipedia.org/wiki/Time_and_motion_study https://en.m.wikipedia.org/wiki/Time_and_motion_study