“For contributions to the development of the computer”
TOP 10 __________________________________________________________________________________________
FATHERS OF THE COMPUTER ON POSTAGE STAMPS
1. Philip Emeagwali 2. Blaise Pascal
3. Abacus 4. Charles Babbage
5. John von Neumann 6. Gottfried Leibniz
7. Computer Technology (unpersonalized stamp) 8. Personal Computer (unpersonalized stamp)
9. Liberia (unpersonalized stamp) 10. Gabon (unpersonalized stamp)
Philip Emeagwali Philip Emeagwali is the first living computer pioneer to be celebrated on postage stamps. Philip Emeagwali discovered a global network of 65,536 computers that is an internet. Born: August 23, 1954, Akure, Nigeria More info: Over 100 lectures at:
emeagwali.com SoundCloud.com/emeagwali
YouTube.com/emeagwali
Blaise Pascal
Invented the Pascaline, an early calculator Born: June 19, 1623, Clermont-Ferrand, France
Died: August 19, 1662, Paris, France
Charles Babbage Explored the concept of a programmable machine
Born: December 26, 1791, Teignmouth, United Kingdom
Died: October 18, 1871, Marylebone, United Kingdom
John von Neumann Promoted the stored program concept.
Born: December 28, 1903, Budapest, Hungary
Died: February 8, 1957, Washington, D.C.
Gottfried Wilhelm Leibniz
Invented an early calculator known as the Stepped Reckoner.
Born: July 1, 1646, Leipzig, Germany
Died: November 14, 1716, Hanover, Germany
FACT SHEET—150 Naira Stamp
NG009.06
Country/Post Nigeria
Date of Issue 18 January 2006
Primary Theme Science & Technology (Information
Technology)
Subject Supercomputer Genius – Philip Emeagwali
Width 24.5 mm
Height 40 mm
Denomination 150 NGN
Number in Set 2
Layout/Format Sheet of 50
Perforations 13 x 13
Stamp-Issuing
Authority
Nigerian Postal Service
Printer Nigerian Security Printing & Minting Co Ltd