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Wrong Frank Preucil?

Mr. Frank Preucil Matthew Jr.

Research Director

Chicago Rotoprint Co

Chicago Rotoprint Co

Background Information

Employment History



Joliet College

Web References

Printing News Online -- 6.14.99 -- Frank Preucil's Library On Color Joins GATF's Printing Collection

www.printingnews.com [cached]

1 , 1905 , in Chicago , Frank Matthew Preucil , Jr. studied chemistry at Joliet College , then engineering mathematics and industry supervision at the University of Illinois.At the Ohio Mechanics Institute he had also studied what was then termed photolithography. At the time Mr. Preucil was beginning his working career , lithography was printed predominantly from litho stones , with imaging of the stones done with photosensitive materials.

Soon , offset lithography from metal plates would rise to challenge letterpress , but the unpredictability of the process made offset almost a dirty word in the industry.In_fact , the predecessor of PIA originally refused to admit offset printers as members , prompting them to establish their own group , the National Association of Photo Lithographers , in 1929.
After some years working as a photographer , Mr. Preucil moved into the printing industry as research_director of the Chicago Rotoprint Co.In 1956 he joined the staff of the Lithographic Technical Foundation ( LTF ) , the predecessor of GATF.Here he would find his true life's work , applying scientific principles to the sometimes chaotic production procedures of the still-young offset industry.
During his 11 years with LTF , Mr. Preucil developed some of the first measurement techniques for evaluating printed process colors.GATF also credits him with developing the concepts of percent hue error , grayness , balanced inks , and the GATF color triangle.His work led to the development of many of the organization's test images for controlling color reproduction both visual and densitometrically.These test images have also found their way into digital prepress systems.
In recent decades , print buyers have gradually come to accept the concept of printing by the numbers. Press-side approvals and give it some more red color changes ( after platemaking , of_course ) have become more rare as separators and printers have made their output more reliable and predictable--with the densitometer as the dominant measurement instrument.
Throughout his life , Mr. Preucil acquired a vast library of books devoted to printing , printing history , and color.His collection , prominently displayed at GATF in a special glass-enclosed archive , includes the prized Penrose Annual going back to 1895 , one of the few complete sets of this process yearbook.
Frank Preucil apparently also had a soft spot for good old letterpress printing , so his collection includes some treasures , such_as a volume printed in Latin in 1501 by Aldus Manutius , the great Venetian printer ; an illuminated incunabulus from Germany in 1493 ; and a dictionary of aphorisms printed in Amsterdam in 1642.

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