Plaque for original Engineering Research Associates (ERA) plant in the Midway area of St. Paul

There will be a plaque ceremony commemorating the historic importance of the original Engineering Research Associates (ERA) plant in the Midway area of St. Paul. ERA was the forerunner of Univac, Control Data, Cray Research, and perhaps 100 other technology companies, and later the medical technology industry.  The building still stands.

Speakers will include Lowell Benson (Univac), Norb Berg (Control Data), Dean Laurance (who worked at the plant), John Rollwagen (Cray Research), and Manny Villafana (St. Jude Medical/medical device industry.).   Chad Roberts, president of the Ramsey County Historic Society, will unveil the plaque.  Don Hall, who wrote the book “Generation of Wealth” will provide some historic perspective.

Time:  Thursday, June 15, 2023, at 3:30 p.m.

Location:  1902 Minnehaha Avenue West ( two blocks north of University Avenue)

The public is welcome.

Questions?  Call or email Don Hall  (612) 823 – 5408,

5/11/22 BOOK EVENT: Escape from Paris


Stephen Harding will present the true, yet unbelievable story of the bravery of the French Citizens and Resistance in the rescue of American bomber crews that were shot down in the preparation for the invasion on D-Day. It features the story of 4 B-17 bomber crews that were shot down on a mission on July 14, 1943, Bastille Day, while on a mission over Nazi-occupied France after rescue the Airmen were taken to Paris, which was occupied by thousands of German troops. The French took the crews to the Hotel des Invalides, near the Eiffel Tower, swarming with Nazi troops, and the site of the tomb of Napoleon. The book, “Escape from Paris” is based on interviews and documents based on the repatriation of crews and post-war life events. Mr. Harding is Editor in-chief of the quarterly magazine-MILITARY HISTORY

May 11, 2022 | 6PM
Location: Alliance Française
227 Colfax Ave N,
Minneapolis, MN 55405


2020-2021 Sessions online only

Due to COVID19, the actual evening of the taping (program) is Invitation ONLY at this time.  This is necessary to control the number of people who take part in and help to produce the program.  The videos will be available online shortly after the taping of the program.

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In-person presentations at the Minnesota History Center will resume when it is safe to do so