Waltham Miss Ann L. Olson of Waltham died Wednesday November 2, 2005 in her home. She was 45. Ann had lived in Wisconsin before moving to Waltham in 1980 had worked for the past fifteen years as an assembler for Boston Scientific Company in Watertown. She was also a member of First Congregational Church of Waltham. She leaves her parents, Gerald D. and Lois E. (Kolls) Olson of Waltham; her sister, Judy K. Vanaria of Waltham; her brothers and their spouses, Michael D. and Michelle Olson of Duxbury and Rex E. and Krista Olson of Maynard and many nieces and nephews. Relatives and friends are invited to attend Funeral Services at 11 a.m. Tuesday in First Congregational Church, 730 Main Street, Waltham. Burial will be private. Visiting hours will be held Monday evening from 5 to 8 p.m. at The Joyce Funeral Home, 245 Main Street (Rte. 20), Waltham. Memorial donations may be made to First Congregational Church, 730 Main Street, Waltham, MA 02451.