1. Matti Mattson then worked as a blacksmith's helper at a granite quarry on top of Rollstone Hill in Fitchburg, where a massive glacial boulder stood.

1. Matti Mattson then worked as a blacksmith's helper at a granite quarry on top of Rollstone Hill in Fitchburg, where a massive glacial boulder stood.
Strongly opposed to Fascism, Mattson was one of four Fitchburg volunteers who went to Spain in a clandestine manner to help the Spanish people defend the legally elected Spanish Republic against the Spanish generals' betrayal, aided by their backers Hitler and Mussolini.
Matti Mattson returned to the United States in December, 1938.
Matti Mattson graduated with his class but was not permitted to fly because of his political activities.
Matti Mattson was ordered to the Army Corps of Engineers and served in the European Theater.
Matti Mattson worked as a printer in New York until his retirement.
Matti Mattson was an activist in Local 6 of the Printers Union.
Matti Mattson was a member of Veterans for Peace, NYC Chapter 34.
Matti Mattson was often a speaker at the annual reunions of the Abraham Lincoln Brigade in New York City.
On March 30,2008, Matti Mattson was one of 11 veterans of the Lincoln Brigade present at the dedication of a monument to the Brigade on the Embarcadero in San Francisco, California.
On September 6,2009, Matti Mattson was guest of honor at a dinner organized by the Friends and Family of the Abraham Lincoln Brigade at the Centro Vasco Restaurant on West 23rd Street, New York City.
On January 29,2010, Matti Mattson was honored with the President's Medal by Fitchburg State College at its Commencement ceremonies.
Matti Mattson moved to the JFK Hospital in Lake Worth, Florida, where he died on January 11,2011.