Dr. Samuel L. Keller of Waukegan to Arthur J. Vorwald on His Visit to Saranac (1951)

A one-page letter of April 13, 1951, on Johns-Manville Products Corporation letterhead from Waukegan, Illinois, from Dr. Samuel L. Keller to Dr. and Mrs. A. J. Vorwald of the Saranac Laboratory. Keller thanks the Vorwalds for their hospitality during his visit, which he found useful for discussing "our problems," viewing "our chest films," and applying what he learned to his work at Waukegan. He invites Vorwald to visit Waukegan's hospitals, "particularly our tuberculosis sanitarium, and the Johns-Manville Plant, that he may see the manufacturer of asbestosis and silicosis as produced in Waukegan."

In Johns-Manville's chronology

Johns-Manville's own chronology of what the company knew describes this document as follows:

Letter from Samuel L. Keller, M.D. (Waukegan Plant related physician) to Anthony J. Vorwald, Saranac Laboratory, 4/13/51. Primarily social letter thanking Vorwald for courtesies during Keller's visit to Saranac. He extends an invitation to Vorwald to visit "our hospitals, particularly our tuberculosis sanatorium and the Johns-Manville Plant, that he may see the manufacturer of asbestosis (sic) and silicosis (sic) as produced in Waukegan."

Editor's note: J-M's description gives the addressee as "Anthony J. Vorwald." The letter is addressed to Dr. A. J. Vorwald of the Saranac Laboratory, whose first name was Arthur.