Otto Fredrik Gideon Sundbäck (April 24, 1880 – June 21, 1954) was a Swedish-American electrical engineer, who is most commonly associated with his work in the development of the zipper.

[1] Otto Fredrik Gideon Sundbäck was born on Sonarp farm in Ödestugu Parish, in Jönköping County, Småland, Sweden.

He was the son of Jonas Otto Magnusson Sundbäck, a prosperous farmer, and his wife Kristina Karolina Klasdotter.

[2][3][4] On June 5, 1909, Sundbäck married (Naomi) Elvira Aronson, daughter of the Swedish-born plant manager Peter Aron Aronson (Aronsson), in Hoboken, New Jersey.

[5] In 2006, Sundbäck was honored by inclusion in the National Inventors Hall of Fame for his work on the development of the zipper.