Hugo Knudsen was a Danish printer, born in 1876 and died in 1955, eponym of the Knudsen process for fine

lithography Lithography () is a planographic method of printing originally based on the immiscibility of oil and water. The printing is from a stone (lithographic limestone) or a metal plate with a smooth surface. It was invented in 1796 by the German a ...

, patented in 1915. He owned the Offset Printing Plate Company of New York, United States. Knudsen invented and developed the lithographic

halftone Halftone is the reprographic Reprography (a portmanteau of ''reproduction'' and ''photography'') is the reproduction of graphics through mechanical or electrical means, such as photography or xerography. Reprography is commonly used in catal ...

printing process which is still in use today, and at the time it was superior to any other known method of photo and picture reproduction. This process was used by

Edward Steichen Edward Jean Steichen (March 27, 1879 – March 25, 1973) was a Luxembourgish American photographer, painter, and curator, renowned as one of the most prolific and influential figures in the history of photography. Steichen was credited with tr ...

. Knudsen was close friend (and brother-in-law) of Alfred Kreymborg. He was married to Beatrice (Bea) Bloom.

References

External links

* Th
Inter-Society Color Council records
at

Hagley Museum and Library The Hagley Museum and Library is a nonprofit educational institution in unincorporated New Castle County, Delaware, near Wilmington. Covering more than along the banks of the Brandywine Creek, the museum and grounds include the first du Pont ...

contain the Hugo Knudesen papers. * * American printers Year of birth missing Year of death missing {{US-publish-bio-stub