<s>
Jamie	B-Operating_System
Zawinski	I-Operating_System
(	O
born	O
November	O
3	O
,	O
1968	O
)	O
,	O
commonly	O
known	O
as	O
jwz	B-Operating_System
,	O
is	O
an	O
American	O
computer	B-Application
programmer	I-Application
,	O
blogger	O
and	O
impresario	O
.	O
</s>
<s>
He	O
is	O
best	O
known	O
for	O
his	O
role	O
in	O
the	O
creation	O
of	O
Netscape	B-Protocol
Navigator	I-Protocol
,	O
Netscape	B-Application
Mail	I-Application
,	O
Lucid	B-Language
Emacs	I-Language
,	O
Mozilla.org,	O
and	O
XScreenSaver	B-General_Concept
.	O
</s>
<s>
Zawinski	B-Operating_System
's	O
programming	O
career	O
began	O
at	O
age	O
16	O
with	O
Scott	O
Fahlman	O
's	O
Spice	B-Language
Lisp	I-Language
project	O
at	O
Carnegie	O
Mellon	O
University	O
.	O
</s>
<s>
He	O
then	O
worked	O
at	O
AI	O
startup	O
Expert	O
Technologies	O
,	O
Inc	O
.	O
followed	O
by	O
Robert	O
Wilensky	O
and	O
Peter	O
Norvig	O
's	O
AI	O
research	O
group	O
at	O
UC	O
Berkeley	O
,	O
working	O
on	O
natural	B-Language
language	I-Language
processing	I-Language
.	O
</s>
<s>
In	O
1990	O
he	O
began	O
working	O
at	O
Lucid	O
Inc.	O
,	O
first	O
working	O
on	O
Lucid	B-Language
Common	I-Language
Lisp	I-Language
,	O
and	O
then	O
on	O
Lucid	O
's	O
Energize	O
C++	B-Language
IDE	B-Application
.	O
</s>
<s>
Lucid	O
decided	O
to	O
use	O
GNU	B-Application
Emacs	I-Application
as	O
the	O
text	O
editor	O
for	O
their	O
IDE	B-Application
due	O
to	O
its	O
free	O
license	O
,	O
popularity	O
,	O
and	O
extensibility	O
,	O
and	O
Zawinski	B-Operating_System
led	O
that	O
project	O
.	O
</s>
<s>
As	O
Zawinski	B-Operating_System
and	O
the	O
other	O
programmers	B-Application
made	O
fundamental	O
changes	O
to	O
GNU	B-Application
Emacs	I-Application
to	O
add	O
new	O
functionality	O
,	O
tensions	O
over	O
how	O
to	O
merge	O
these	O
patches	O
into	O
the	O
main	O
tree	O
eventually	O
led	O
to	O
the	O
fork	B-Application
of	O
the	O
project	O
into	O
GNU	B-Application
Emacs	I-Application
and	O
Lucid	B-Language
Emacs	I-Language
(	O
now	O
XEmacs	B-Language
)	O
.	O
</s>
<s>
screensavers	B-General_Concept
.	O
</s>
<s>
Initially	O
released	O
for	O
Unix	B-Application
,	O
it	O
now	O
supports	O
macOS	B-Application
,	O
iOS	B-Application
and	O
Android	B-Application
as	O
well	O
.	O
</s>
<s>
On	O
Unix	B-Application
systems	I-Application
,	O
it	O
also	O
provides	O
the	O
framework	O
for	O
blanking	O
and	O
locking	O
the	O
screen	O
.	O
</s>
<s>
Following	O
Lucid	O
's	O
bankruptcy	O
in	O
1994	O
,	O
Zawinski	B-Operating_System
was	O
one	O
of	O
the	O
initial	O
employees	O
of	O
Mosaic	B-Application
Communications	O
,	O
later	O
known	O
as	O
Netscape	B-Protocol
.	O
</s>
<s>
At	O
Netscape	B-Protocol
,	O
he	O
developed	O
the	O
Unix	B-Application
release	O
of	O
Netscape	B-Protocol
Navigator	I-Protocol
1.0	O
,	O
</s>
<s>
and	O
later	O
,	O
Netscape	B-Application
Mail	I-Application
,	O
the	O
first	O
mail	O
reader	O
(	O
or	O
Usenet	B-Application
reader	O
)	O
to	O
natively	O
support	O
HTML	B-Language
.	O
</s>
<s>
Zawinski	B-Operating_System
came	O
up	O
with	O
the	O
name	O
"	O
Mozilla	B-Operating_System
"	O
(	O
originally	O
the	O
internal	O
code-name	O
of	O
the	O
web	O
browser	O
)	O
during	O
a	O
staff	O
meeting	O
,	O
as	O
a	O
reference	O
to	O
Godzilla	B-Device
and	O
a	O
portmanteau	O
of	O
"	O
Mosaic	B-Operating_System
killer	I-Operating_System
"	O
.	O
</s>
<s>
An	O
easter	O
egg	O
he	O
coded	O
in	O
the	O
Netscape	B-Protocol
browser	O
became	O
quite	O
well	O
known	O
during	O
the	O
early	O
days	O
of	O
the	O
World	O
Wide	O
Web	O
:	O
typing	O
"	O
about:jwz	B-Operating_System
"	O
into	O
the	O
address	O
box	O
would	O
take	O
the	O
user	O
to	O
his	O
home	O
page	O
,	O
and	O
would	O
change	O
the	O
browser	O
's	O
logo	O
animation	O
to	O
a	O
fire-breathing	O
dragon	O
.	O
</s>
<s>
Through	O
his	O
long-time	O
support	O
and	O
advocacy	O
for	O
free	B-Application
software	I-Application
both	O
inside	O
and	O
outside	O
the	O
company	O
,	O
Zawinski	B-Operating_System
is	O
credited	O
with	O
having	O
been	O
the	O
inspiration	O
for	O
Netscape	B-Protocol
's	O
decision	O
to	O
open-source	B-Application
the	O
source	O
code	O
of	O
the	O
browser	O
in	O
1998	O
.	O
</s>
<s>
He	O
was	O
a	O
founder	O
of	O
Mozilla.org,	O
personally	O
registering	O
its	O
domain	O
name	O
on	O
the	O
day	O
of	O
Netscape	B-Protocol
's	O
open	O
source	O
announcement	O
and	O
helping	O
design	O
and	O
run	O
the	O
organization	O
through	O
its	O
first	O
year	O
.	O
</s>
<s>
When	O
Netscape	B-Protocol
was	O
acquired	O
by	O
AOL	O
in	O
1999	O
,	O
he	O
wrote	O
a	O
bulletin	O
explaining	O
that	O
Mozilla	B-Operating_System
's	O
work	O
would	O
continue	O
with	O
or	O
without	O
Netscape	B-Protocol
.	O
</s>
<s>
And	O
a	O
year	O
after	O
the	O
initial	O
source	O
code	O
release	O
,	O
he	O
resigned	O
from	O
Netscape	B-Protocol
and	O
Mozilla	B-Operating_System
,	O
citing	O
his	O
disappointment	O
that	O
others	O
involved	O
in	O
the	O
project	O
had	O
decided	O
to	O
rewrite	O
the	O
code	O
instead	O
of	O
incrementally	O
improving	O
it	O
.	O
</s>
<s>
Shortly	O
after	O
leaving	O
Mozilla	B-Operating_System
,	O
he	O
announced	O
his	O
purchase	O
of	O
DNA	O
Lounge	O
,	O
a	O
nightclub	O
in	O
San	O
Francisco	O
.	O
</s>
<s>
Zawinski	B-Operating_System
purchased	O
the	O
nightclub	O
in	O
1999	O
for	O
approximately	O
5	O
million	O
dollars	O
and	O
it	O
was	O
re-opened	O
in	O
July	O
2001	O
,	O
a	O
process	O
which	O
he	O
documented	O
extensively	O
in	O
a	O
blog	O
named	O
"	O
DNA	O
Sequencing	O
"	O
.	O
</s>
<s>
In	O
2000	O
,	O
Zawinski	B-Operating_System
starred	O
in	O
the	O
60-minute-long	O
PBS	O
documentary	O
Code	O
Rush	O
,	O
which	O
chronicles	O
the	O
creation	O
of	O
Mozilla.org	B-Operating_System
and	O
the	O
release	O
of	O
the	O
browser	O
source	O
code	O
over	O
the	O
course	O
of	O
1998	O
.	O
</s>
<s>
Zawinski	B-Operating_System
features	O
extensively	O
in	O
Josh	O
Quittner	O
's	O
1998	O
book	O
Speeding	O
the	O
Net	O
:	O
The	O
Inside	O
Story	O
of	O
Netscape	B-Protocol
and	O
How	O
It	O
Challenged	O
Microsoft	O
,	O
</s>
<s>
There	O
is	O
a	O
chapter	O
on	O
Zawinski	B-Operating_System
in	O
Peter	O
Seibel	O
's	O
2009	O
book	O
,	O
Coders	B-Application
at	O
Work	O
:	O
Reflections	O
on	O
the	O
Craft	O
of	O
Programming	O
.	O
</s>
<s>
Zawinski	B-Operating_System
appears	O
in	O
several	O
video	O
installations	O
at	O
the	O
Computer	O
History	O
Museum	O
's	O
exhibit	O
,	O
Revolution	O
:	O
The	O
First	O
2000	O
Years	O
of	O
Computing	O
.	O
</s>
<s>
He	O
was	O
also	O
featured	O
in	O
Sleep	O
Mode	O
:	O
The	O
Art	O
of	O
the	O
Screensaver	B-General_Concept
,	O
a	O
gallery	O
exhibition	O
curated	O
by	O
Rafaël	O
Rozendaal	O
at	O
Rotterdam	O
's	O
Het	O
Nieuwe	O
Instituut	O
in	O
2017	O
.	O
</s>
<s>
Zawinski	B-Operating_System
's	O
Law	O
of	O
Software	O
Envelopment	O
,	O
also	O
known	O
as	O
Zawinski	B-Operating_System
's	O
Law	O
,	O
states	O
:	O
</s>
<s>
Zawinski	B-Operating_System
himself	O
has	O
stated	O
:	O
</s>
<s>
Zawinski	B-Operating_System
first	O
attained	O
prominence	O
as	O
a	O
Lisp	B-Language
programmer	B-Application
,	O
but	O
most	O
of	O
his	O
larger	O
projects	O
are	O
written	O
in	O
C	B-Language
.	O
Despite	O
that	O
,	O
he	O
has	O
long	O
been	O
critical	O
of	O
languages	O
lacking	O
memory	B-Application
safety	I-Application
and	O
automatic	B-General_Concept
memory	I-General_Concept
management	I-General_Concept
.	O
</s>
<s>
He	O
has	O
particularly	O
proselytized	O
against	B-Language
C++	I-Language
.	O
</s>
<s>
In	O
Peter	O
Seibel	O
's	O
book	O
Coders	B-Application
at	O
Work	O
:	O
Reflections	O
on	O
the	O
Craft	O
of	O
Programming	O
,	O
Zawinski	B-Operating_System
calls	O
C++	B-Language
an	O
"	O
abomination	O
...	O
the	O
PDP-11	O
assembler	O
that	O
thinks	O
it	O
's	O
an	O
object	O
system	O
"	O
.	O
</s>
<s>
Though	O
he	O
has	O
written	O
and	O
published	O
many	O
utilities	O
in	O
Perl	B-Language
,	O
he	O
is	O
not	O
without	O
his	O
criticisms	O
,	O
characterizing	O
Perl	B-Language
as	O
"	O
combining	O
all	O
the	O
worst	O
aspects	O
of	O
C	B-Language
and	O
Lisp	B-Language
:	O
a	O
billion	O
different	O
sublanguages	O
in	O
one	O
monolithic	O
executable	O
.	O
</s>
<s>
It	O
combines	O
the	O
power	O
of	O
C	B-Language
with	O
the	O
readability	O
of	O
PostScript.	O
"	O
</s>
<s>
He	O
has	O
criticized	B-Language
several	O
language	O
and	O
library	O
deficiencies	O
he	O
encountered	O
while	O
programming	O
in	O
Java	B-Language
,	O
specifically	O
the	O
overhead	O
of	O
certain	O
fundamental	O
classes	O
but	O
especially	O
the	O
marketing	O
and	O
politics	O
behind	O
it	O
that	O
led	O
Sun	O
to	O
conflate	O
the	O
language	O
,	O
the	O
class	O
library	O
,	O
the	O
virtual	B-Language
machine	I-Language
,	O
and	O
the	O
security	O
model	O
all	O
under	O
the	O
same	O
name	O
,	O
"	O
Java	B-Language
"	O
to	O
,	O
he	O
says	O
,	O
the	O
detriment	O
of	O
them	O
all	O
.	O
</s>
<s>
Despite	O
the	O
positive	O
aspects	O
,	O
ultimately	O
Zawinski	B-Operating_System
returned	O
to	O
programming	O
in	O
C	B-Language
"	O
since	O
it	O
's	O
still	O
the	O
only	O
way	O
to	O
ship	O
portable	O
programs	O
"	O
.	O
</s>
