Donald A. Hammer

Donald A. Hammer, 76,

of Willcox, Arizona died

January 3, 2019. He was

born on September 17,

1942 in Minot, North

Dakota to Arthur C. and

Ila Alg Hammer. Don mar-

ried Joan Nelson on June

5, 1965. Survived by his

wife Joan and his sister

Judy Bernard. Preceded in

death by his parents, half

brother Robert Hammer

and half sisters Claire

Ann, Eileen, Francis Ham-

mer and Hazel Andreson.

After completing his edu-

cation in 1971, he taught

for a year at the Universi-

ty of Maine. In 1972 he

went to work for the

Tennessee Valley Author-ity. Dr. Hammer spent

much of his career with

TVA supervising the

management of over

100,000 acres of wetlands

and restoring populations

of Canada geese, osprey,

bald and golden eagles,

peregrine falcons, great

and snowy egrets. He also

led 5 teams developing

the constructed wetlands

technology for treating

municipal, industrial,

agricultural, mining and

domestic wastewater and

has done technology

transfer of constructed

wetlands all over the

world. After buying a

winter home in the Sul-

phur Springs Valley in

1996, Don and his wife

became interested in the

vibrant history of the area.

They have done consider-able research and compi-

lations on the history of

ranching and rural life in

the valley. Don had de-

grees in wildlife biology

and ecology from the

University of North Dako-

ta, South Dakota State

University and Utah State

University. At his request

no services will be held.

Memorial may be sent to

the Willcox Cowbelles,

P.O. Box 354, Willcox, Ar-

izona 85644 or the charity

of your choice. You may

express condolences at

www.westlawnchapel

mortuary.com. Arrange-

ments entrusted to West-

lawn Chapel, Mortuary

and Crematory of Willcox,

Arizona.