During a ceremony today, from left, Los Alamos Historical Society President Mike Wheeler, John Huff, Mary K. Huff and Los Alamos Historical Society Historic Properties Chair John Ruminer install a memorial plaque for Charles Huff on the grounds of the historic Hans Bethe House on Bathtub Row. The plaque is in recognition for the Huff family’s generous gift toward the Los Alamos Historical Society’s History is Here $7 million fundraising campaign. The effort has raised $4.1 million in gifts and pledges so far. Courtesy photo

Los Alamos Historical Society President Mike Wheeler, John Huff, Mary K. Huff and Los Alamos Historical Society Historic Properties Chair John Ruminer install a memorial plaque for Charles Huff today on the grounds of the historic Hans Bethe House on Bathtub Row. Courtesy photo

The memorial plaque for Charles Huff installed today on the grounds of the historic Hans Bethe House on Bathtub Row. Courtesy photo