AUBURN – Robert “Bob” “Doc” Marshall Lindgren, 77, of Jay, died Tuesday, Jan. 5, 2010, at Androscoggin Hospice House, Auburn. He was born in Concord, N.H., and grew up in Bath. After high school, he served in the U.S. Navy. He went on to attend the University of Maine, Orono, where he graduated with honors earning a Ph.D. in chemistry in 1964. He accepted his first position as a research chemist where a majority of his work was in process development and specialty papers and coatings in Maine, Massachusetts, as well as in the United Kingdom, Scotland and England. From 1970-1980 he taught at Husson College, Bangor, and then returned to his true calling of conducting paper machine trials in the mills where he was instrumental in paving the way for the wide spread business use of di-electric paper products, a replacement for carbon copy paper. He retired from his professional career at the Otis mill, Jay, on his farm and spent years learning the history and preservation techniques relating to the revival of the American chestnut tree in and around the Western Maine area and led the planting and growing process at Highmore Farm, Monmouth. He was an avid reader and enjoyed hunting, trapping and fly-fishing extensively throughout Maine and Canada. Springtime was his favorite time of year, planting more flowers and trees, gardening, and grooming his property in Jay. Bob was a member of AMVETS and the Chapter of American Chestnut Tree Foundation. He was a fan of the Boston Red Sox and University of Maine Black Bears ice hockey team. He is survived by his wife, Nancy; three daughters, Jennifer Farrington and husband, Scott, Sonja Redmon and husband, Joseph, and Karen Lindgren and partner, Scott Scherpf; 10 grandchildren and two great-grandchildren. He was predeceased by two daughters, Susan Upham and Donna McLarie; and one son, Eric Lindgren. He will be missed. Memorial services will be held 11 a.m. Saturday, Jan. 9, at Wiles Remembrance Center, 308 Franklin Road, Jay, with the Rev. Eva Thompson officiating. Gifts may be given in his memory to Androscoggin Hospice House, Stetson Road, Auburn, ME 04210 or online at www.ahch.org or Maine Chapter of the American Chestnut Tree Foundation, care of Glen Rae, 231 Buck St., Bangor, ME 04101 or firstname.lastname@example.org. Words of condolence may be sent via e-mail to email@example.com.