Donald McGavran interacting with colleagues about church growth statistics.

Mary and Donald McGavran with colleague Alan Tippett and students at Northwest Christian College, where Dr. McGavran developed the Institute of Church Growth.

The banner dedicated to the McGavrans by their Indian friends reads "May happiness and peace be with the McGavrans;" they were leaving the mission field as residents of India.

Donald McGavran taught refresher summer courses to Satnami high school teachers in Central India.

Donald McGavran hunted this leopard down at villagers' request because it was killing their cattle.

Donald McGavran baptizing a Satnami boy in a river in the Indian state of Chatisghar.

Donald McGavran baptizing a Satnami woman convert to Christ in a river in the Indian state of Chatisghar.

Donald McGavran sharing the good news of the gospel of Christ with the Satnami people on the mission field in India.

Mary McGavran's paternal aunt with her husband and nine children, the last name of the family being Bertch.

Mary Berg Howard was Mary McGavran's paternal grandmother.