George H. Goble
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- This article is about the computer engineer. For the late actor and comedian (1919-1991), whose name was spelled differently, see George Gobel.
George H. Goble is a staff member at the Purdue University Engineering Computer Network and a 1996 igNobel Prize winner.
Goble is commonly known as "ghg" since he has used that as a login id, and signature in digital communications, since the 1970s. He received his BS, MS, and PhD in Electrical Engineering at Purdue University.
In 1981, he wired together the backplanes of two DEC VAX-11/780's and made the first multi-CPU Unix computer, preceding DEC's dual processor VAX-11/782. The operating system was based on the 4.2 BSD kernel, and the modifications thus made eventually made it into the 4.3 BSD Unix release. At the beginning of the 4.3 BSD user manuals, Bill Joy wrote a special note of thanks to GHG for being courageous enough to put the multi-CPU kernel into a production environment before anyone else did. (However, the frequent crashes for a while inspired the writing of many humorous text files by the Purdue University Electrical Engineering study body, such as The VAX had a Blowout, to be sung to the tune of London Bridge is Falling Down).
Around this time, Goble also developed a networking protocol for Unix, referred to as pnet, which was used at Purdue at the time before being displaced by TCP/IP. Pnet allowed remote logins, and remote execution of commands, among other capabilities.
In the late 1980s, Goble started experimenting with refrigerants, due to increased danger and lower thermodynamic efficiency of the recently introduced R-134a compared to the older R-12 which was being phased out due to concerns about damage to the ozone layer, and the incompatibility of R-134a with the lubricating oil and other materials used in systems built for R-12. In 1987, he converted the beverage refrigerators in the HKN lounge in the basement of the Purdue Electrical Engineering building to using a refrigerant of his own devising. This refrigerant is now recognized as R-406A and is available commercially under the trade name GHG-X7. He later developed another refrigerant which is compatible with R134A lubricants, but which is superior in thermodynamic efficiency and lower system internal pressures called GHG-X8.
In 1996, Goble was awarded the igNobel Prize in Chemistry, for preparing a barbecue for cooking in less than 5 seconds by the use of a smoldering cigarette, charcoal and LOX (liquid oxygen). This act attracted the attention of the West Lafayette, Indiana fire department, which warned him to never let them catch him in the possession of LOX near a barbecue fire ever again.
Goble is also noted for driving a vehicle with the Indiana license plate UNIX, and now also GHG-1.
