We will include the information below in the email along with a link to the obituary:
Obituary for
Thomas Rudolph Callahan
March 4, 1929 – March 13, 2020
Dr. Thomas Rudolph Callahan, born in Boston on March 4, 1929, passed away at the age of 91 on March 13, 2020, in Fresno, California.
A graduate of the Massachusetts Institute of Technology and the Heidelberg School of M...