Archie M. Richardson Jr., formerly of Tarentum,Pa known as “Pa” by his loving family, passed away after his 94th birth day, Tuesday, November 15th 2022. He was born October 17, 1928 in Tarentum to Archie M. Richardson, a local doctor and his wife Rosalie Walter. Archie married Helen M. Harrison on June 8, 1950, a girl he had already known for several years. They knew each other for 80 years, 72 of those years they were married, raised a family of 5 children and travelled the world. He was a Civil engineer in the Pittsburgh area and went to Afghanistan, India and Thailand with his family to teach engineering. He and his family returned to Pittsburgh where they lived until 2022. His grandfather George Richardson was a Methodist preacher in the Pittsburgh area and Archie and Helen attended the Methodist Church. Archie loved to travel, to meet people and learn about their ways. He loved his family and looked forward to family gatherings. One of the families favorite places was Chautauqua New York where family reunions were held over the July 4th holiday and Archie and Helen enjoyed their summers at the lake there for many years. Archie graduated from Tarentum High School in 1945, received his BS degree from Allegheny College,a Masters from The University of Pittsburgh,and his PHD from Massachusetts Institute of Technology. Survivors include his wife Helen, his children Rosalie Sachs and her husband Charles, Archie Richardson III and his wife Deborah, David Richardson, Rebecca Lane and her husband Jim, and Sam Richardson and his wife Jacquie. Also surviving are his grandchildren Sam, Laura Lee and Jeremiah Richardson; Chuck, Emily and Michael Sachs; and Chad, Justine and Austin Lane. He also has a great grandchild, Arno. His brother Wilson and his wife Linda survive him, his brother Fred preceded him in death. A gathering of Family and Friends will take place in the in the Duster Funeral Home, Inc. 347 E 10th Ave, Tarentum, 724-224-1526 on Saturday,Nov 19th from 11:00AM until the time of the Service at 1:00 PM with Rev. Jonathan J. Fehl, Pastor of Cabot United Methodist Church officiating.. He will be buried in Mt. Airy Cemetery, Natrona Heights. Visit:dusterfh.com