CD-R CD-R CD-R (Compact Disc-Recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most plain CD readers, i.e., CD readers manufactured prior to the introduction of CD-R. This is an advantage over CD-RW, which can be re-written but cannot be played on many plain CD readers. Originally named CD Write-Once (WO), the CD-R specification was first published in 1988 by Philips and Sony in the 'Orange Book'. The Orange Book consists of several parts, furnishing details of the CD-WO,
Obbe Philips Obbe Philips Obbe Philips (ca. 1500–1568) (also spelled "Philipsz" and "Filips") was one of the early founders of Dutch Anabaptism. He was the illegitimate son of a Roman Catholic priest from Leeuwarden. Philips studied medicine, and became a barber and a surgeon. He married in 1530 and set up his business in Leeuwarden. Obbe Philips became interested in the Reformation, and converted to Anabaptism late in 1533. He was probably baptized by Bartholomeus Boekbinder or Willem de Kuyper, emissaries of Jan Matthys. Menno Simons was ordained around 1537 by Obbe Philips, and was probably baptized earlier by Philips also. Obbe