Autism was first clearly described as its own condition in the early 1940s, while Tylenol (acetaminophen/paracetamol) was developed and introduced in the mid‑20th century.

Autism: When it was “discovered”

If by “discovered” you mean “first recognized as a distinct medical condition,” most historians point to the work of child psychiatrist Leo Kanner in 1943. He published a paper describing 11 children with what he called “early infantile autism,” highlighting traits like intense social withdrawal, need for sameness, and unusual language patterns.

A few key milestones:

  • 1911 – term “autism” coined
    Swiss psychiatrist Eugen Bleuler used the word “autism” to describe a symptom of schizophrenia, meaning an extreme turning inward into one’s own mental world, not yet a separate childhood condition.
  • 1943 – autism as a distinct disorder
    Leo Kanner, working in the U.S., described “early infantile autism” as a unique developmental condition in children, separate from schizophrenia and from intellectual disability.
  • 1944 – Asperger’s description
    Hans Asperger described children with social difficulties, narrow interests, and normal or high intelligence, a pattern later called Asperger’s syndrome, now folded into the autism spectrum.
  • 1980 – official diagnosis in DSM-III
    “Infantile autism” was formally listed as a separate diagnosis in the third edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM‑III), marking its recognition in modern psychiatric classification.

So, in everyday terms, people often answer your question as:

Autism was “discovered” as its own condition in 1943 , when Leo Kanner first described it in detail, with the term itself having earlier roots in 1911.

Tylenol: When it was made

Tylenol is the brand name for acetaminophen (called paracetamol in many countries). The underlying drug was first made in the late 1800s, and Tylenol as a consumer medicine took off in the mid‑1900s. Key moments:

  • Late 1800s – acetaminophen first synthesized
    Chemists produced acetaminophen in the 19th century, but it was not immediately adopted as the main pain reliever because other drugs (like phenacetin) were more popular at the time.
  • 1940s–1950s – rediscovery and clinical use
    Acetaminophen re‑emerged as a safer alternative to some older painkillers that had more side effects. It began to be promoted for pain and fever in this period.
  • 1955 – Tylenol brand introduced
    In the United States, Tylenol (acetaminophen) was introduced in 1955 , initially as a children’s pain and fever medication, and later expanded into adult formulations. This is the date most people give when asked when Tylenol “was made” as a recognizable product.

So a simple way to phrase it for your “Quick Scoop”:

  • Autism recognized as a distinct condition: 1943 (with the term “autism” first used in 1911).
  • Tylenol (acetaminophen) as a branded medicine: 1955 , building on a drug first synthesized in the late 1800s.

TL;DR:
– Autism: first clearly defined as its own condition by Leo Kanner in 1943 (word “autism” coined in 1911).
– Tylenol: the drug behind it (acetaminophen) dates to the late 1800s , and the Tylenol brand launched in 1955.

Information gathered from public forums or data available on the internet and portrayed here.