Robert F. Cotter, of Carver formerly of Duxbury, passed away at the age of 80 at the Good Samaritan Hospital in Brockton. Robert was born in Roxbury and graduated from Boston University. He joined the Marine Corp and served during WWII. Robert was the owner and president of Duxbury Scientific and had worked for Johnson & Johnson where he was a past vice-president. He enjoyed his work and collecting rare books. He is survived by his children Robin Cotter of Plympton, Deirdre Barrett of Plymouth and Robert A. Cotter of Plymouth and his 4 cherished grandchildren Olivia Cifrino, Hayden Cifrino, April and Jessica Cotter. He also leaves his brother Edmund Cotter of Quincy and his sister Lillian McKenna of W. Roxbury. Brother of the late Thomas Cotter and Margaret O’Neil and predeceased by his long-time companion of over 20 years Barbara Stanewick. A funeral mass will be held on Thursday October 1st at St. Bonaventure’s Church at 11 AM followed by burial at the National Cemetery in Bourne. Visiting hours will be held at the Richard Davis Funeral Home, 373 Court St (Rt 3A), N. Plymouth on Wednesday September 30th from 5 to 7 PM. The family requests that donations in his memory be made to the Mass. General Hospital Development Office, Cardiovascular Research Center, 165 Cambridge St, Suite 600, Boston, MA 02114.