BRUNSWICK — John R. Bierer, 70, died Oct. 28 after a long battle with lung disease from exposure to Agent Orange while serving in Vietnam.

A son of John H. Bierer and Florence C. Bierer, he was born in Pittsburgh, Penn., June 10, 1940.

He was educated at Columbia University, Lewis & Clark College, and Oregon State University.

A proud Vietnam combat veteran who served with the 173rd Airborne Rangers from 1967 to 1968, he was also an entrepreneur and educator.

Survivors are his wife, Jan Crocker Bierer; his mother-in-law Patricia W. Crocker; two daughters, Jennifer Bierer MacDonald, and Wendy Bierer Stearns; seven grandchildren; three great-grandchildren; his “brothers,” Thomas Kosch and Robert Beckner; and his beloved cats Penny and Sweetie.

He was predeceased by his parents, his brother David Bierer and sister Carolyn Bierer Dock.

No public services will be held.

Memorial contributions may be to either the Coastal Humane Society, 30 Range Road, Brunswick, ME 04011, or to the H.A.R.T. Shelter, 302 Range Road, Cumberland, ME 04021.

Arrangements are by Demers-Desmond Funeral Home, 34 Cushing St., Brunswick.

Condolences to the family may be expressed and a guestbook signed at