Phronesis
Subject · 17 ideas

People

Remarkable lives, and what they changed.

No. 123PersonArtificial Intelligence

“Can machines think?”: Turing’s 1950 question

Alan Turing opened a 1950 paper with that question, then replaced it with a test, and answered Ada Lovelace by name.

2 min1936 · 1950
Hedy Lamarr publicity photo for the film The Heavenly Body, 1944
No. 059PersonPeople

A Hollywood star patented a secret radio system

In 1942 the film actress Hedy Lamarr and the composer George Antheil patented a frequency-hopping system for guiding torpedoes. The Navy shelved it, but its principle lives on in modern wireless technology.

2 min1942
No. 032EventArtificial Intelligence

AI got its name from a summer workshop proposal

In 1955 four researchers asked for funding for “a 2-month, 10-man study of artificial intelligence”, confident they could make a significant advance in one summer.

2 min1955–1956
No. 039Word originLanguage

Esperanto has native speakers

An invented language from 1887 has around a thousand people who grew up speaking it from birth, and both Hitler and Stalin persecuted it.

2 min1887
No. 033EventArtificial Intelligence

From a bedroom GPU to ChatGPT

In 2012 a neural network trained on two gaming graphics cards in a student’s bedroom crushed an image-recognition contest. Ten years later, chatbots built on the same lineage reached the public.

2 min2012 · 2017 · 2022
General Tso's Chicken on a bed of white rice with broccoli. Photographed in the Oakmore neighborhood of Oakland, California, USA.
No. 045DishCuisine & Food

General Tso’s chicken is unknown in General Tso’s home province

America’s favourite Chinese takeaway dish was invented in Taiwan, sweetened in New York, and was too sweet to sell in Hunan.

2 min1950s–1970s
No. 094StoryArtificial Intelligence

In 1958 the Navy said its neural network would one day be conscious

The first trainable neural network, the perceptron, was announced as the embryo of a computer that would “walk, talk, see, write, reproduce itself and be conscious of its existence”.

2 min1958
No. 070Word originCountries

Kazakh names that tell a story

A girl named Ulbolsyn carries a message: “let the next one be a boy”. Traditional Kazakh names record wishes, fears, wars and the day a child was born.

2 min
Faravahar symbol on Fire Temple of Yazd, Iran
No. 131ConceptReligion & Belief

One of the oldest faiths, and Freddie Mercury’s

Zoroastrianism was once the state religion of Persian empires. Today it has perhaps 100,000–200,000 followers, among them the Parsi community into which Freddie Mercury was born.

2 min
A conversation with the ELIZA chatbot.
No. 038PhenomenonArtificial Intelligence

The 1960s chatbot people confided in

ELIZA just reflected your words back as questions. Its creator’s secretary still asked him to leave the room so she could talk to it in private.

2 min1966
Photograph of Ignaz Semmelweis in 1860 by "Borsos és Doctor" (cropped version); this image inspired the famous engraving of Semmelweis by Jenő Doby.
No. 106PersonPeople

The doctor who said “wash your hands”

In 1847 Ignaz Semmelweis cut deaths on a Vienna maternity ward from about 18% to around 2% by making doctors wash their hands. The story of what happened next is more complicated than the legend.

2 min1847
No. 103DishCuisine & Food

The Earl of Sandwich probably wasn’t gambling

The sandwich is named after an 18th-century earl. The famous story that he invented it at the card table comes from a travel book’s gossip.

2 min1760s
Front page of HaZvi, a Hebrew-language newspaper published in Jerusalem from 1884 to 1914 by Eliezer Ben-Yehuda, a leading pioneer of the revival of Hebrew as a
No. 057StoryLanguage

The language that came back after 1,700 years

For about 1,700 years nobody spoke Hebrew as a mother tongue. Then, in 1882, a baby in Jerusalem became its first native speaker in modern times.

2 min1880s
NASA FIRMS imagery 2025-07-20 of Serpukhov-15 satellite ground station. NB. The terrain imagery is older and undated
No. 114EventPeople

The man who decided the missiles weren’t real

In 1983 a Soviet early-warning system reported five American nuclear missiles on their way. The officer on duty, Stanislav Petrov, judged it a false alarm, and he was right.

2 min26 September 1983
An illustration from Jules Verne's book "Découverte de la terre" ("Discovery of the Earth") drawn by Léon Benett. Ibn Battuta (1304-68/69) was a Maghrebi Berber
No. 062PersonPeople

The traveller who went five times farther than Marco Polo

In 1325 a 21-year-old from Tangier set out on pilgrimage to Mecca. He came home 29 years later, having travelled an estimated 117,000 km.

2 min1325–1354
A small bowl of soy sauce with a blob of green wasabi paste on the side and chop sticks laid across the top.
No. 124ConceptCuisine & Food

Umami: the taste discovered in a bowl of soup

In 1908 a Japanese chemist wondered why his wife’s seaweed broth tasted so good, and identified a fifth basic taste.

2 min1908
No. 067ConceptCountries

Why many Kazakhs can name seven generations of ancestors

A Kazakh child is traditionally expected to know seven fathers back, and the rule exists to prevent marriage between relatives.

2 min