Siegfried Hansen (March 29, 1912 – June 28, 2002) was an American electrical engineer and inventor notable for his development of the early Mark I

space suit A space suit or spacesuit is a garment worn to keep a human alive in the harsh environment of outer space, vacuum and temperature extremes. Space suits are often worn inside spacecraft as a safety precaution in case of loss of cabin pressure, ...

.,Baltimore Sun;Siegfried Hansen,90, an electrical engineer who 50 years ago pioneered the hard spacesuit now used in NASA missions, died of pneumonia June 28 in Los Angeles.July 16, 2002
/ref> a role that earned him appellations of "Space Suit Father" and "Space Suit Pioneer".
/ref> ELAINE WOO/ref> The Mark I was significant for its hard torso and flexible arms, providing constant volume while allowing the occupant to manipulate the external environment. These efforts broke briefly into the mainstream with Hansen's in-suit appearance on the cover of the December 1957 issue of ''Look'' magazine.LOOK Magazine - December 10, 1957
/ref> Hansen was born in

San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...

and educated at the

University of Washington The University of Washington (UW, simply Washington, or informally U-Dub) is a public research university in Seattle, Washington. Founded in 1861, Washington is one of the oldest universities on the West Coast; it was established in Seattle a ...

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

(majored in electrical engineering)

References

{{DEFAULTSORT:Hansen, Siegfried 1912 births 2002 deaths American electrical engineers Deaths from pneumonia in the United States University of Washington College of Engineering alumni Engineers from San Francisco Engineers from California 20th-century American engineers 20th-century American inventors