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Manchester Mark 1 First Program Run

Frederic Williams, Tom Kilburn, and Geoff Tootill prepare to run the first stored-program computer demonstration on the Manchester Mark 1, a groundbreaking moment in computing history. The team anxiou

Setting

A cramped, cluttered corner of the Electrical Engineering Laboratory at the University of Manchester, filled with towering racks of experimental electronics and tangled wiring.

Characters

The figures in this scene as an entity network — co-presence links everyone in the moment; speakers who trade lines are bound tighter. Turn the resolution dial to reveal depth the engine actually computed.

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SELECTED
Frederic Williams
primary
A lean man in his late 30s with sharp features, wire-rimmed glasses, and slightly tousled brown hair showing early gray at the temples. His hands bear faint chemical stains from laboratory work, and he moves with precise, economical motions.
Tom Kilburn
primary
A middle-aged man with a lean build, standing at average height. His face is angular with sharp cheekbones, and his dark hair is neatly combed back, though slightly tousled from hours of work. His eyes are keen and analytical, with a hint of fatigue from prolonged focus.
Geoff Tootill
secondary
A wiry young man in his late 20s with a high forehead and wire-rimmed glasses that magnify his keen, observant eyes. His hands move with precision honed by years of working with delicate electronics.
Lab Assistant
background
A young male technician in his early 20s, of average height and slim build, with short, neatly combed brown hair and wire-rimmed glasses. His hands are slightly grease-stained from handling equipment, and there's an intensity in his watchful eyes as he monitors the machine.

Dialog

Frederic Williams One observes the memory tube holding steady at 215 volts... remarkable stability considering the thermal fluctuations.
Tom Kilburn The tape feed is synced perfectly. If we maintain this rhythm, the program should execute its full sequence.
Geoff Tootill CRT deflection pattern matches the stored instructions... Shall I initiate the next load phase?
Frederic Williams Proceed, but monitor the Williams tube refresh cycles. We're rather asking it to perform alchemy with these electron beams.
Tom Kilburn Steady now... that's the first conditional branch executed. The machine is making decisions.
Geoff Tootill Voltage spikes within tolerance—no, wait—correction, sector three is dipping below threshold...
Frederic Williams Compensate with the secondary regulator before the parity check fails. We shan't lose our little electronic brain to something so pedestrian as voltage sag.

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Causal neighbors · 209 linked moments

M
Manchester Mark 1 First Program Run
1949 · contemporaneous
Manchester Mark 1 Becomes Operational
Manchester Mark 1 Becomes Operational
1949 · contemporaneous
M
Manchester Mark 1 First Program
1949 · same location
M
Manchester Baby First Run
1948 · same location
F
First Run of the Manchester Baby
1948 · same location
A
Alan Turing publishes 'Computing Machinery and Intelligence'
1950 · same location
Manchester Mark 1 Becomes Operational
Manchester Mark 1 Becomes Operational
1949 · same location
M
Manchester Mark 1 First Program Run
1949 · contemporaneous
Manchester Mark 1 Becomes Operational
Manchester Mark 1 Becomes Operational
1949 · contemporaneous
M
Manchester Mark 1 First Program
1949 · same era
P
Publication of 'Computing Machinery and Intelligence'
1950 · same era
M
Manchester Mark 1 First Run
1949 · same era
M
Manchester Baby First Run
1948 · same era
A
ACE Pilot Model First Program Run
1950 · same era
A
ACE Pilot Model runs first program
1950 · same era
M
Manchester Baby First Run
1948 · same era
M
Manchester Baby runs first stored-program program
1948 · same era
E
EDSAC becomes operational at the University of Cambridge
1949 · same era
F
First Run of the Manchester Baby
1948 · same era
F
First Program Run on the Pilot ACE
1950 · same era
E
EDSAC First Operation
1949 · same era
C
Coronation of Queen Elizabeth II
1953 · same era
C
Coronation of Queen Elizabeth II
1953 · same era
B
Blitz on London
1940 · same era
C
Closing of the Festival of Britain
1951 · same era
1
1948 Summer Olympics Opening Ceremony
1948 · same era
C
Coronation of Queen Elizabeth II
1953 · same era
1
1951 United Kingdom General Election
1951 · same era
D
Death of King George VI
1952 · same era
1
1953 FA Cup Final
1953 · same era
T
Trooping the Colour 1953
1953 · same era
M
Manchester Baby First Successful Run
1948 · same era
F
First Execution of the Manchester Baby (SSEM)
1948 · same era
F
First Program Run on the Manchester Mark 1
1949 · same era
A
Alan Turing publishes 'Computing Machinery and Intelligence'
1950 · same era
Manchester Baby First Program Run
Manchester Baby First Program Run
1948 · same era