1-The Dawn of AI – From Turing’s Vision to the 1956 Dartmouth Workshop

Welcome to How Did We Get Here?! This 6-part series will teach you the history of AI.

Up next: 2-The Golden Age of Symbolic AI - Explore how the 1960s and 70s marked a period of intense research and optimism in AI, driven by symbolic approaches and early successes.

Summary

From Alan Turing’s provocative 1950 question “Can machines think?” to the eight-week Dartmouth Workshop that officially christened Artificial Intelligence in 1956, this article traces the technical, philosophical, and human currents that sparked the AI revolution. You’ll meet the first electronic computers, unpack the famed Turing Test, step inside the “Constitutional Convention of AI,” and re-create 1950s-style programs in Python. By the end, you’ll see why those early dreams still underlie every prompt you write in 2025.


Opening Hook

London, 1950. A young mathematician named Alan Turing publishes a daring essay asking whether a machine could ever convince us it is human. Fast-forward to Bhubaneswar, 2025: an Odia developer pings GPT-4o’s API and gets a production-ready React scaffold in seconds. The seamless 21-st-century interaction flows directly from Turing’s “imitation game,” proving that yesterday’s thought experiment is today’s workflow.[1]

Those six short years between 1950 and 1956—filled with glowing vacuum tubes, punch cards, and bold conjectures—seeded the entire field we now call AI. Let’s rewind and watch the sparks fly.


Alan Turing and the “Thinking Machine” (1950)

“Computing Machinery and Intelligence”

In October 1950, Turing published Computing Machinery and Intelligence in Mind. He sidestepped definitional squabbles—What is thinking?—by proposing a behavioral benchmark: the Imitation Game, later dubbed the Turing Test.[1]

Are there imaginable digital computers which would do well in the imitation game?” —A. M. Turing, 1950.

The Test, Reimagined for Developers

Picture a black-box API test: you send JSON requests, inspect responses, and decide whether the endpoint is human- or machine-powered. That’s the Turing Test in spirit. Modern red-team evaluations of LLMs still follow this template, swapping telegram paper for chat logs. A 2025 UC San Diego study found GPT-4.5 fooled judges 73 % of the time—outscoring real humans [2] [3].

Why It Was Revolutionary

  • Behavior over biology – intelligence became what a system does, not what it is.
  • Quantifiable goal – a testable milestone that researchers (and grant committees) could rally around.
  • Enduring relevance – every model leaderboard today measures some flavor of “indistinguishability.”

Call-out — Why the Turing Test Still Matters LLM benchmarks like MT-Bench and MMLU often boil down to one question: Does this model’s answer feel convincingly human? The Imitation Game lives on.


Early Computers & AI Precursors

From ENIAC to EDVAC

MachineYearKey FeatureAI Relevance
ENIAC194618 000 vacuum tubes; programmed by cable swapsWeeks to rewire = slow AI experimentation [4]
EDVAC (design)1945Stored-program concept (Von Neumann)Logic could be changed in software → cradle of AI [5]

The von Neumann architecture—one memory for instructions and data—let researchers iterate on symbolic logic without touching soldering irons, a prerequisite for AI’s quick evolution.

Sidebar — Von Neumann in Plain English Imagine if your laptop’s code lived on a USB stick you had to swap for every function call. That was ENIAC. EDVAC’s stored-program idea shoved code and data onto the same SSD, unlocking while loops, recursion, and, eventually, AI.


The Dartmouth Conference (1956)

    graph TD
    Dartmouth[Dartmouth Conference 1956
Birth of AI] %% Organizers McCarthy[John McCarthy
Organizer] Minsky[Marvin Minsky
Organizer] Rochester[Nathaniel Rochester
Organizer] Shannon[Claude Shannon
Organizer] %% Other participants Newell[Allen Newell] Simon[Herbert Simon] Shaw[Cliff Shaw] %% Conference connections Dartmouth --- McCarthy Dartmouth --- Minsky Dartmouth --- Rochester Dartmouth --- Shannon %% Contributions McCarthy ---|"Coined 'AI'"| Lisp[LISP Language] Minsky ---|Founded| MITAI[MIT AI Lab] Rochester ---|Architect| IBM[IBM 701] Shannon ---|Created| InfoTheory[Information Theory] %% Logic Theorist Newell --- LogicTheorist[Logic Theorist
First AI Program] Simon --- LogicTheorist Shaw --- LogicTheorist

Birthplace of Artificial Intelligence

In summer 1956, four visionaries—John McCarthy, Marvin Minsky, Nathaniel Rochester, Claude Shannon—hosted the Dartmouth Summer Research Project on Artificial Intelligence. McCarthy’s proposal declared:

Every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.[6] [7]

The eight-week workshop gathered mathematicians, psychologists, and engineers in Hanover, New Hampshire. Historians call it AI’s “Constitutional Convention.”[8]

Key Personalities

NameNotable Later Achievements
John McCarthyCoins “AI,” invents Lisp, wins Turing Award [9]
Marvin MinskyCo-founder MIT AI Lab, author Perceptrons [10]
Claude ShannonFather of Information Theory; chess-playing algorithms
Nathaniel RochesterArchitect of IBM 701; pushed AI on mainframes

The mood was exuberant: some predicted human-level AI in a decade. That optimism set research agendas—and funding expectations—for years to come.[11] [12]


First AI Programs & Early Successes

The Logic Theorist (1956)

Developed at RAND by Allen Newell, Herbert Simon, and Cliff Shaw, the Logic Theorist proved 38 of 52 theorems in Principia Mathematica, even discovering a shorter proof of Theorem 2.85.[13]

# simplified Logic Theorist in Python
rules = {("A", "A→B"): "B",
         ("A", "B→C"): "C"}

def derive(goal, premises, max_steps=10):
    frontier, visited = [set(premises)], set()
    while frontier and max_steps:
        state = frontier.pop(0)
        if goal in state:
            return state
        visited.add(frozenset(state))
        for (p1, p2), concl in rules.items():
            if p1 in state and p2 in state:
                nxt = state | {concl}
                if frozenset(nxt) not in visited:
                    frontier.append(nxt)
        max_steps -= 1
    return None

print(derive("B", {"A", "A→B"}))

This production-system style—rules + search—became the backbone of symbolic AI, inspiring modern SMT solvers used in hardware verification.


Hands-On Demo – Build a 1950s-Style Chatbot

Run the following in Google Colab (Runtime → Run all). It echoes the pattern-matching spirit of ELIZA—no ML required.

"""
1950s-style therapist bot.
Type 'quit' to exit.
"""
import re, random

reflect = {"i":"you","am":"are","my":"your","me":"you",
           "you":"I","your":"my"}
def swap_pronouns(text):
    return ' '.join(reflect.get(w, w) for w in text.split())

patterns = [
    (r'.*i need (.*)',
     ["Why do you need {0}?","Would getting {0} help?"]),
    (r'.*i feel (.*)',
     ["Do you often feel {0}?","What triggers feeling {0}?"]),
    (r'hello|hi',
     ["Hello 🙂 How are you today?"]),
    (r'.*',["Tell me more.","How does that make you feel?"])
]

def reply(msg):
    for pat, resp in patterns:
        m = re.match(pat, msg.lower())
        if m:
            var = swap_pronouns(m.group(1)) if m.groups() else ''
            return random.choice(resp).format(var)

print("Therapist-Bot: Hello, how can I help?")
while True:
    user = input("> ")
    if user.lower() in {"quit","exit"}:
        break
    print("Therapist-Bot:", reply(user))

Challenge: Add a pattern that recognises “because …I” explanations and probes deeper.


Indian & Regional Threads

  • Ramanujan’s explorations of infinite series and formal reasoning seeded a culture of mathematical rigor later echoed in Indian logic research.
  • TIFRAC—commissioned 1960—was India’s first indigenous computer, based on the IAS design and boasting ferrite-core memory.[14]
  • Today, IITs and IIIT-Hyderabad carry that torch, hosting centers for Responsible AI and multilingual LLM research.

Timeline Diagram

    timeline
    title Key Milestones in Early AI History (1950-1956)
    section Computing Foundations
        1950 : Turing's "Computing Machinery and Intelligence" paper
        1951 : First stored-program EDVAC run
        1954 : Consolidation of von Neumann architecture
    section Birth of AI
        1956 : Dartmouth Workshop coins "Artificial Intelligence"
        1956 : Logic Theorist debuts, proves 38 theorems

Glossary

  • Turing Test – behavioral benchmark asking if a machine can imitate human conversation convincingly.
  • Von Neumann Architecture – single memory holding both instructions and data.
  • State-Space Search – exploring possible states via defined transitions to reach a goal.
  • Symbolic AI – representing knowledge explicitly (symbols, rules) rather than numerically.

Further Reading

  1. Alan Turing, Computing Machinery and Intelligence (1950).[1]
  2. McCarthy, Minsky, Rochester & Shannon, Dartmouth Proposal (1955).[6]
  3. Newell & Simon, The Logic Theory Machine (1956).[13]

Conclusion – Toward the Golden Age (≈200 words)

The six-year sprint from Turing’s philosophical puzzle to Dartmouth’s optimism birthed a discipline. By proving theorems faster than humans and coining a name that still frames billion-dollar debates, early pioneers showed that machines could manipulate symbols—ideas—rather than mere numbers. Their exuberance launched the symbolic AI boom of the 1960s, where rule-based systems, game-playing programs, and even robots chased the dream of human-level thought.

In Part 2 we’ll enter that golden age, watching SHRDLU stack virtual blocks, ELIZA console patients, and chess programs eye grandmaster titles—until reality bites and the first AI Winter descends. Follow the series as we navigate triumph, backlash, and the relentless march toward today’s deep-learning era.


Thanks for reading! 🙌

Continue your journey with 2-The Golden Age of Symbolic AI, where Explore how the 1960s and 70s marked a period of intense research and optimism in AI, driven by symbolic approaches and early successes. Or check out the complete How Did We Get Here? series outline.

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  1. https://en.wikipedia.org/wiki/Computing_Machinery_and_Intelligence?utm_source=odishaai.org “Computing Machinery and Intelligence - Wikipedia” ↩2 ↩3

  2. https://arxiv.org/abs/2503.23674?utm_source=odishaai.org “Large Language Models Pass the Turing Test”

  3. https://nypost.com/2025/04/04/tech/terrifying-study-reveals-ai-robots-have-passed-turing-test-and-are-now-indistinguishable-from-humans-scientists-say/?utm_source=odishaai.org “Terrifying study reveals AI robots have passed ‘Turing test’ - and are now indistinguishable from humans, scientists say”

  4. https://en.wikipedia.org/wiki/ENIAC?utm_source=odishaai.org “ENIAC - Wikipedia”

  5. https://www.historyofinformation.com/detail.php?id=644&utm_source=odishaai.org “Von Neumann Privately Circulates the First Theoretical Description …”

  6. https://jmc.stanford.edu/articles/dartmouth/dartmouth.pdf?utm_source=odishaai.org “[PDF] A Proposal for the Dartmouth Summer Research Project on Artificial …” ↩2

  7. https://home.dartmouth.edu/about/artificial-intelligence-ai-coined-dartmouth?utm_source=odishaai.org “Artificial Intelligence (AI) Coined at Dartmouth”

  8. https://en.wikipedia.org/wiki/Dartmouth_workshop?utm_source=odishaai.org “Dartmouth workshop - Wikipedia”

  9. https://www.teneo.ai/blog/homage-to-john-mccarthy-the-father-of-artificial-intelligence-ai?utm_source=odishaai.org “Homage to John McCarthy, the father of Artificial Intelligence (AI) - Teneo.Ai”

  10. https://spectrum.ieee.org/dartmouth-ai-workshop?utm_source=odishaai.org “The Meeting of the Minds That Launched AI - IEEE Spectrum”

  11. https://council.science/blog/ai-was-born-at-a-us-summer-camp-68-years-ago-heres-why-that-event-still-matters-today/?utm_source=odishaai.org “AI was born at a US summer camp 68 years ago. Here’s why that …”

  12. https://computerhistory.org/events/1956-dartmouth-workshop-its-immediate/?utm_source=odishaai.org “The 1956 Dartmouth Workshop and its Immediate Consequences”

  13. https://www.historyofinformation.com/detail.php?id=742&utm_source=odishaai.org “Newell, Simon & Shaw Develop the First Artificial Intelligence Program” ↩2

  14. https://en.wikipedia.org/wiki/TIFRAC?utm_source=odishaai.org “TIFRAC”