London physician John Langdon H. Down was the first to describe the disorder that would eventually bear his name, in a remarkable paper published in 1866 under the title “Observations on an Ethnic Classification of Idiots.”
Down proposed that they could be classified based on what he considered to be a resemblance to various ethnicities: Caucasian, Ethiopian, Malay, and—infamously—Mongolian.
| status | not read | reprioritisations | ||
|---|---|---|---|---|
| last reprioritisation on | suggested re-reading day | |||
| started reading on | finished reading on |