Marion M. Villarreal

Private First ClassTinian Island

Wendover, UT

509th Composite GroupManhattan Project VeteranMilitary Veteran

Marion R. Villarreal served in the 603rd Air Engineering Squadron.

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Leslie R. Groves

Washington, DC

Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.

D. W. Harrigan

Oak Ridge, TN

D. W. Harrigan worked for the Union Carbide & Carbon Corporation.

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Grinus worked at the 100 F Area at Hanford during the Manhattan Project.

The following are excerpts from “Converging Lines,” a genealogy and family history book researched and written by Norma McKinney, as well as oral recollections from her in 2011 and Charles’ remembrances to his grandson in 1990 for an eighth grade report.