CESR: the 1st “B factory”

CLEO

Christmas1979

New years 1979-80

BX

Spring 1980

CDC-muon chamber matching

Electron detection at CLEO

Electronevent

Cerenkovctr mirror

TOF ctr

Pb-gasShower ctr

Electron Scan Sheet

maybe”

Inclusive e’s at the ϒ(4S)

2.0 2.2 2.4 2.6

Belle

e±±

K±

Electron PRL

et al.,

Muon PRLMuonPRL

et al.,

Tony, are you nuts? Look at

this.

We need millions of B

and use them to

search for mixing and CP violation

This took us six months!

Death Valley

TRISTAN

Lots of great colleagues

Many of whom joined Belle

is history

And the rest,

as they say,