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Edward H. Kass

Physician; set the quantitative threshold for bacteriuria probable

Dates: 1917-1990 (source: Wikipedia: Edward H. Kass )
Chapters: Epilogue: Look Again

What the film says

In the 1950s set the threshold of 100,000 bacteria per millilitre to tell infection from contamination.

Watch 1:03:19 in the film Epilogue: Look Again

On the timeline

1956 to 1957: Edward Kass publishes quantitative urine culture and the threshold of 100,000 bacteria per millilitre. probable timeline
2002: Kass's 1956 paper is reprinted as a classic in the Journal of Urology. timeline

Sources

Sources

Wikipedia: Edward H. Kass Secondary
E. H. Kass, Asymptomatic infections of the urinary tract (1956), reprinted as a classic in Journal of Urology 2002; 167(2 Pt 2):1016-1020 Primary
E. H. Kass, Bacteriuria and the diagnosis of infections of the urinary tract, AMA Archives of Internal Medicine 1957; 100(5):709 (Crossref record 10.1001/archinte.1957.00260110025004) Primary