[today in history] May 31: the father of Amiga was born; The co developer of basic language was born; BlackBerry BBM shutdown

Arrangement | Wang Qilong

through 「 Today in history 」, Look at the future from the past , You can change the future from now on .

It's today 2022 year 5 month 31 Japan , stay 1962 Years of today , Leonard · Cranlock （Leonard Kleinrock） He published his first paper , Titled “ Information flow in large communication networks ”（ Information Flow in Large Communication Nets ）. He was in 1961 The paper proposal published in contributed to 1962 This doctoral thesis at the Massachusetts Institute of Technology , Later on 1964 year , The article was published in book form , It establishes the theoretical foundation of packet switching network . Review the history of the Internet 5 month 31 Japan , What other key events have taken place on this day that have affected the progress of science and Technology ？

1926 year 5 month 31 Japan ：BASIC Co developer of the language John Kemeny born

Picture source ： Wikipedia

BASIC John, CO inventor of the language · George · Kemeni was born in 1926 year 5 month 31 Budapest, Hungary , He was in 66 Years of life has had a major impact on the history of computers , Especially at Dartmouth College , He and Thomas Kurtz Together, we created an easy-to-use programming language for students BASIC.BASIC yes 80 years Apple II、Commodore、TRS-80 and IBM PC Languages used in most software written during the rise . Kemeni had earlier worked during the Manhattan Project during World War II , And John of Los Alamos, New Mexico · feng · Neumann worked together .

1953 year ,27 Kemeni was appointed full professor of mathematics at Dartmouth . Two years later, , He became Dean of the Department , And held the position until 1967 year . Kemeni ventured into curriculum development when introducing finite mathematics and calculus , And Gerald L. Thompson and J. Laurie Snell For students of biology and Social Sciences 《 Introduction to finite mathematics 》. Other colleges and universities followed , More limited mathematics textbooks have been compiled for future generations . In college education , Kemeni strongly advocates and promotes the use of computer teaching .1992 year 12 month 26 Japan , John · George · Kemeni died of heart failure in Lebanon, New Hampshire , At the age of 66 year .

source ： Wikipedia

1932 year 5 month 31 Japan ：Amiga The father of Jay Glenn Miner born

Picture source ： Wikipedia

1932 year 5 month 31 Japan , American IC designer Jay · Miner （Jay Glenn Miner） born , He mainly thinks that Atari 2600 and Atari 8 Bit series is famous for developing multimedia chips , And is referred to as “ Amiga The father of ”. Mena joined the U. S. coast guard after high school , I received my first formal e-education . After service , He became a radio operator for the North Atlantic weather patrol , He has been on a meteorological mission on a remote island for three years . retired , Mena enters the University of California, Berkeley , And in 1958 received EECS baccalaureate , Major in electronic design .

After graduation, , Menayu 1964 He joined general microelectronics as a chip designer , In the design of the first use MOS IC 's calculator Victor 3900 Played a role in . And then , He was in Standard MicroSystems and American Micro Systems The company work , by MP944 The design of microprocessors has contributed . And then , He decided to start his own business , On 1973 Co founded in Synertek company , As the main chip designer of the company . One of the company's earliest contracts was for Bulova Watch Company manufacture CMOS chip , But they soon became Intel 、Rockwell、 and MOS Technology Second source manufacturers of chips designed by other companies .

1982 year , atari （Atari） Larry, a former game console programmer · Kaplan ( Larry Kaplan ) Approach MENA , Hope to set up a new company , Creating video game hardware without big company supervision . They created a company called Hi-Toro The company , Mena led a company called Lorraine The development of chipset . Soon , The new company is in financial trouble , And be Commodore International Acquisition . Upon completion of the acquisition ,Amiga The computer is on 1985 Released in , Not successful in mass market penetration , But it has gained loyal followers among professional users and computer game players .1988 Some time in the years to come , jay · Mena left the company as a consultant , in the meantime , He has been appearing in all kinds of Amiga Relevant programs and user group meetings . stay Amiga Among users , He is known as “Padre” or “Amiga The father of ”, It is recognized for its contribution to the function of the machine .

According to miner's wife , He has been suffering from kidney problems for most of his life . His sister Joyce · Biles （Joyce Beers） On 1990 Donated a kidney to him in . However , Myna eventually died from complications of kidney failure , At the age of 62 year .

source ： Wikipedia

2019 year 5 month 31 Japan ：BlackBerry Messenger Formal closure

Picture source ： Wikipedia

blackberry BBM, Full name BlackBerry Messenger, yes BlackBerry Proprietary mobile instant messaging programs and video telephony applications included on the device , It allows the BlackBerry OS,BlackBerry 10,iOS,Android and Windows Mobile Messaging and voice calls between users . By Indonesian company Emtek stay BlackBerry Limited（ That's what used to be RIM,Research In Motion） Developed under the license of . The original version was 2005 year 8 month 1 Launch date ,BBM It is the world's first social software designed for mobile devices , It was popular for a period of time before it began to lose to its competitors .

BBM Messages sent on are sent over the Internet , And used BlackBerry PIN System . In the past , Many service providers allow dedicated BlackBerry Data plan login BBM. You can also use BBM Exchange messages with a person or through a dedicated discussion or chat group , This makes multiple BlackBerry Devices can communicate in a single session . In addition to providing text-based instant messaging ,BBM It also allows users to send pictures 、 Voice notes 、 file 、 Share real-time locations on maps 、 Stickers and emoticons .

2016 year 6 month 27 Japan , Headquartered in Indonesia Emtek Group Announce receipt BBM License to . For a period of six years 、 value 2.07 Part of the $billion deal , BlackBerry Ltd. will send Emtek Provide BBM API .2017 year ,BBM The server moved from a data center in Canada to a data center based on Google cloud platform in Asia .2018 year 6 month 27 Japan ,BBM Channels and BBM Consumer features such as paid content in the store are no longer available on BlackBerry devices .Emtek On 2019 year 4 month 18 Announced Wednesday , Will be in that year 5 month 31 Stop providing services to consumers all over the world BBM.

【 Welcome to contribute 】 Take history as a mirror , We can know the rise and fall . Computer science has developed so far , There are many crucial events 、 figure , Welcome all friends to build 「 Today in history 」, Send email ：[email protected] .