Frank Elmo Ferguson, 94, died peacefully at home in Lincoln, MA on Tuesday, January 12, 2021. Born on September 11 1926 in Ames Iowa, Frank was a graduate of Iowa State University and the MIT Sloan School. He enjoyed a long business career and induction into the Educational Publisher's Hall of Fame in 2014. A lifelong angel investor and philanthropist and longtime former resident of Lexington MA, Frank is survived by his sister Alice Holmes of Falkville, AL, and Betsy Lockhart of Vancouver, BC, and is predeceased by his loving wife Mitzi of Lincoln MA and his brother John of Los Angeles, CA. Frank is also survived by his daughter Lorraine Weinberg of New York and sons Fred Ferguson of Bolton, MA, Paul Ferguson of Southborough, MA, and Don Ferguson of San Francisco, along with numerous nephews, nieces and grandchildren. Services will be private. In lieu of flowers or cards, please consider a donation to the Lionheart Foundation (www.lionheart.org). Arrangements are under the care of Dee Funeral Home & Cremation Service of Concord.