A resource for reliable information about significant people, places, events, and things in Minnesota history.
Wahpeton Dakota leader Mazamani II (Walking Iron), c.1855.
Lifepak 12 defibrillator manufactured by Medtronic. Photographed on June 12, 2006.
Medtronic Founder Earl Bakken and Medtronic CEO Winston Wallin with an early pacemaker model, 1986. Photographed by Jeffrey Grosscup.
Medtronic’s headquarters in Fridley. Photographed on September 7, 2012.
Minnesota state senator Mee Moua speaks at a rally on October 30, 2008, in support of Barack Obama, Al Franken, and other Democratic candidates.
Members of the Hmong Health Care Professionals Coalition (HHCPC) meet at Big Brothers Big Sisters, an HHCPC member host site, in St. Paul in 2013.
Melvin J. Maas, 1925.
Melvin J. Maas with daughter Patricia and wife Katherine, 1952.
Melvin Maas, 1931.
Portrait of Melvin Maas from the 1916 edition of St. Paul Central High School's yearbook The Senior Annual.
Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
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