【Old News】 Mr. Glenn Randers = Patterson, the creator of PNG format died

It was announced that Mr. Glenn Randers = Person, one of the members who developed " PNG format" known as the mainstream image format, died due to illness. He was 77 years old.

PNG and MNG / JNG image formats: home site / [png - mng - announce] Farewell, Glenn Rander - Pehrson
https://sourceforge.net/p/png-mng/mailman/message/36447670/

PNG format is a major image format alongside JPEG format and GIF format. The GIF format that appeared in the latter half of the 1980s spread all at once with the lightness and manageability of the file, but in 1994 a rights issue occurred over the license of the data compression algorithm. Authors of image editing software supporting GIF format and general users can not freely use GIF format. Therefore, PNG format was developed with the aim of a license-free image format to replace the GIF format by the group "Experts" formed by " Portable Network Graphics ".

Randers = Person was one of the founders of this Portable Network Graphics Group. In addition, Oliver Fromme, who is a nominee of "PNG," jokingly said that "PNG" is not an abbreviation of group name but "Ping is Not GIF" (PING is not GIF) I will.

Mr. Randers = Person who was involved in the development and design of such PNG format. In addition, he is a thesis author of PNG Version 1.0, he is a leading person who formed the PNG format as the current international standard after passing PNG Version 1.1 and Version 1.2. In addition, it was Randers = Person who posted PNG format images on the Internet for the first time in the world. The following four images are PNG format images uploaded for the first time in the Internet history.

In addition, Mr. Randers = Person has been supporting the libpng reference library of the international standard standard of the PNG format for 20 years, and on January 6, 2017, it shows herself updating version 1.26 of libpng On Facebook. However, after a long fighting illness life, it is said that she died in mid-October 2018.


Mr. Kozmin Turuta, who was involved in the development of libpng like Randers = Person, said, "Mr. Randers = Person made a great contribution such as creating the foundation of PNG format, developing and building web technology We will continue to take over these and we have borrowed too much from Mr. Randers = Person, goodbye, Glenn! "Commented.