Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sara B. Chettkow
Laboratory Technician; Health DivisionChicago, IL
Manhattan Project VeteranProject Worker/Staff
![](https://ahf.nuclearmuseum.org/wp-content/uploads/2015/03/14112K Argonne_5-1024x948.jpg)