G. C. Edwards

A. T. Regan

M. M. Marshall

M. M. Marshall worked for the Roane-Anderson Company.

M. W. Adelman

M. W. Adelman worked for the Roane-Anderson Company.

Clarence Johnson

Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.