O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
E. J. O’Black
Project StaffT-Plant/200 Areas
Hanford, WA
Manhattan Project VeteranProject Worker/Staff
![T-Plant](https://ahf.nuclearmuseum.org/wp-content/uploads/2014/06/T Plant under construction_0-1024x681.jpg)
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.