Alfred Eisenstaedt Unter den Linden, Berlin. American and German flags at half-mast following Hindenburg's death
Esther Bubley [Battery of extractors used in the lead determination test, Inspection Laboratory, Standard Oil Development Co., Linden, New Jersey]
Esther Bubley [John Rabetz is measuring the amount of radioactive hydrogen in a gas sample, Esso Research & Engineering Co., Radioactive Engive Laboratory, Bayway Refinery, Linden, New Jersey]
