Black and white photograph of Evangeline Lindbergh with her son Charles Augustus Lindbergh, c.1902.

Evangeline Lindbergh with her son Charles Augustus Lindbergh

Evangeline Lindbergh with her son Charles Augustus Lindbergh, c.1902.

Color image of a Lifepak 12 defibrillator manufactured by Medtronic. Photographed on June 12, 2006.

Medtronic defibrillator

Lifepak 12 defibrillator manufactured by Medtronic. Photographed on June 12, 2006.

Black and white photograph of Medtronic Founder Earl Bakken and Medtronic CEO Winston Wallin with an early pacemaker model, 1986. Photographed by Jeffrey Grosscup.

Medtronic Founder Earl Bakken and Winston Wallin with pacemaker

Medtronic Founder Earl Bakken (left) and Medtronic CEO Winston Wallin (right) with an early pacemaker model, 1986. Photographed by Jeffrey Grosscup.

Medtronic

The Medtronic medical device company was founded in 1949 by Earl Bakken and Palmer Hermundslie. From its beginnings in a converted garage, it has grown into a multi-billion-dollar enterprise and one of Minnesota’s leading businesses.

Black and white photograph of a KSTP-TV tower on University Avenue, 1948.

KSTP-TV tower

KSTP-TV tower on University Avenue, 1948.

Black and white photograph of a KSTP-TV cameraman filming the This Side Up program, 1950.

"This Side Up" program

KSTP-TV cameraman filming the This Side Up program, 1950.

Black and white photograph of the Twin City Television Lab’s mobile unit, c.1948.

Twin City Television Lab mobile unit

Twin City Television Lab’s mobile unit, c.1948.

Black and white photograph of a Twin City Television Lab mobile unit in front of the Lyceum Theater and the Lab’s main entrance, c.1948.

Twin City Television at the Lyceum Theater

Twin City Television Lab mobile unit in front of the Lyceum Theater and the Lab’s main entrance, c.1948.

Black and white photograph of a WTCN-TV employee with an Emerson television set, 1949.

WTCN-TV employee

WTCN-TV employee with an Emerson television set, 1949.

Black and white photograph of Twin City Television Lab broadcasting at the Minnesota State Fair, 1947.

Twin City Television lab at the State Fair

Twin City Television Lab broadcasting at the Minnesota State Fair, 1947.

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