In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
theorist, theoretician, theorizer, theoriser, idealogue
(noun) someone who theorizes (especially in science or art)
Source: WordNet® 3.1
theoretician (plural theoreticians)
someone who is expert in the theory of a particular science or art
a theorist
Source: Wiktionary
30 October 2024
(noun) a quantity or amount or measure considered as a proportion of another quantity or amount or measure; “the literacy rate”; “the retention rate”; “the dropout rate”
In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.