CASE #97-014 • CLASSIFIED

THE DISAPPEARANCE
OF MOSAIC

A true-crime investigation into the browser that changed everything — and then vanished without a trace.

Dimly lit vintage CRT monitor displaying early web graphics

The Rise

In the spring of 1993, a small team at the National Center for Supercomputing Applications released something the world had never seen: a graphical browser that made the web feel alive. Within months, Mosaic became the portal through which millions first encountered the internet.

It was elegant. It was fast. It was the future. Then the lights went out.

FOUNDING DOCUMENT

“Mosaic didn’t just display pages. It made the web feel like a place you could walk into.”
— Marc Andreessen, 1994

The Disappearance

By 1997 the original Mosaic codebase had been quietly absorbed, forked, and ultimately erased from public view. What remained were only whispers and archived binaries.

Key Evidence

EXHIBIT A

The original NCSA source was removed from public FTP servers in late 1995. No official explanation was ever issued.

EXHIBIT B

Commercial licenses were quietly transferred to a third party. The trail ends in Illinois court records.

EXHIBIT C

Surviving builds show a hidden “about:spyglass” command that was never documented.

Witnesses

“One day the Mosaic binary simply stopped working on our lab machines. We never found out why.” — Systems Administrator, University of Illinois, 1996
“We were told to stop distributing it. No one would say who gave the order.” — Former NCSA developer

Submit a Lead

If you have information about the final days of Mosaic, the investigation continues.