In 1958, he wrote his PhD thesis at Harvard (Some theorems on transformation groups) under the supervision of Andrew M.
In 1963, while at Berkeley, he married folk singer Anne Bredon (née Loeb), with whom he had two children, Aaron and Joelle.
Bredon wrote it as a commercial program during the late 1980s where it experienced widespread success; it was released into the public domain by his family after the author's death.
[6] DOS.MASTER was created as a result of Apple Computer's abandonment of the DOS 3.3 operating system and its subsequent replacement by ProDOS.
Up to 255 of these volumes could be created on the larger ProDOS partition, space allowing, essentially simulating a very large stack of virtual floppy disk drives.