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[email protected] Recent Patents on Materials Science 2016, 9, 000-000 1 Centenary of a Serendipitous Inventor: Stookey and a Short Statistical Overview of Photosensitive Glass & Glass-Ceramics Science and Technol- ogy Marcio L.F. Nascimento1,2,* 1Vitreous Materials Lab, Institute of Humanities, Arts and Sciences, Federal University of Bahia, Rua Barão de Jeremoabo s/n, Idioms Center Pavilion (PAF IV), Ondina University Campus, 40170-115 Salvador, Bahia, Brazil; 2PROTEC / PEI - Postgraduate Program in Industrial Engineering, Depart- ment of Chemical Engineering, Polytechnic School, Federal University of Bahia, Rua Aristides Novis 2, Federação, 40210-630 Salvador, Bahia, Brazil Received: August 13, 2015; Accepted: March 22, 2016; Revised: March 23, 2016 Abstract: In this short statistical report, we compile and analyze statistics on past and current scien- tific and technological research on photosensitive glass (PG) as well as glass-ceramics (GC). Their Marcio L.F. Nascimento developments have traced remarkable histories since their first commercial discoveries in the 1940s and 1950s, both the work of Don Stookey. These products and processes have transformed modern life and are two of the most widely reported methods for special glass manufacturing. They provide security, are of high quality mass produc- tion. The U.S., Japan and China have been leaders in PG glass development, the second place going to China in terms of GC research communities. We have observed very significant progress in recent decades with an exponential growth in the number of scientific publications and patents for PGs and GCs due to new publications, author keywords, affiliations and primary characterization techniques.