Lewis Wickes Hine [Highly-skilled packer testing bottles before putting them into carton, Whitall Tatum Company, Millville, New Jersey]
W. Eugene Smith [Man in protective helmet and rubber gloves holding mouse, Laboratories of Bacteriology at the University of Notre Dame, Indiana]
Lewis Wickes Hine [Worker with lynch bottle blowing machine, Whitall Tatum Company, Millville, New Jersey]