07/04/1929
https://www.presidency.ucsb.edu...
"Nothing else is reduction."
"The chemical industries are among the foremost of those that ally themselves continuously with workers in pure science, and thereby quickly transform discoveries of creative research into practical pr..."
"The fact that your Exposition equally interests chemists, engineers and manufacturers symbolizes this close bond, so desirable in all industry."
"It is the one family to which we all belong, either by birth or by adoption."