{"bio":"Никола́й Па́влович Петро́в (13 мая 1836, Трубчевск, Орловская губерния — 15 января 1920, Туапсе) — русский учёный-механик и инженер, инженер-генерал, профессор, основоположник гидродинамической теории смазки.","born":{"calendar":null,"day":25,"month":5,"place":{"name":"Трубчевск","slug":"trubchevsk","url":"https://kogda.com/place/trubchevsk"},"year":1836},"description":"учёный, инженер, инициатор создания Московского инженерного училища ведомства путей сообщения","died":{"calendar":"gregorian","day":15,"month":1,"place":{"name":"Туапсе","slug":"tuapse","url":"https://kogda.com/place/tuapse"},"year":1920},"facts":[{"category":null,"date":{"calendar":null,"day":25,"day_url":"https://kogda.com/25-maya","month":5,"text":"25 мая 1836 года","year":1836,"year_url":"https://kogda.com/1836"},"id":135224,"kind":"birth","people":[{"name":"Николай Петров","slug":"nikolaj-petrov","url":"https://kogda.com/p/nikolaj-petrov"}],"places":[],"slug":"rozhdenie-nikolaj-petrov","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/25_мая"},"text":"русский учёный, инженер, участник строительства Транссибирской магистрали, инициатор создания Московского инженерного училища ведомства путей сообщения (ныне Московский институт инженеров транспорта)","title":"Николай Петров","url":"https://kogda.com/e/rozhdenie-nikolaj-petrov","weight":5},{"category":null,"date":{"calendar":null,"day":15,"day_url":"https://kogda.com/15-yanvarya","month":1,"text":"15 января 1920 года","year":1920,"year_url":"https://kogda.com/1920"},"id":113960,"kind":"death","people":[{"name":"Николай Петров","slug":"nikolaj-petrov","url":"https://kogda.com/p/nikolaj-petrov"}],"places":[{"name":"Российский университет транспорта","slug":"rossijskij-universitet-transporta","url":"https://kogda.com/place/rossijskij-universitet-transporta"}],"slug":"smert-nikolaj-petrov","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/15_января"},"text":"учёный, инженер, инициатор создания Московского инженерного училища ведомства путей сообщения","title":"Николай Петров","url":"https://kogda.com/e/smert-nikolaj-petrov","weight":5}],"family":[],"id":1462,"image":{"author":"М.Л. Левенсон","license":"Public domain","original":"https://commons.wikimedia.org/wiki/Special:FilePath/Petrov_Nikolay_Pavlovich.jpg?width=500","url":"https://kogda.com/img/p/nikolaj-petrov.jpg"},"library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"name":"Николай Петров","qid":"Q4360830","slug":"nikolaj-petrov","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/Петров,_Николай_Павлович_(учёный)"},"url":"https://kogda.com/p/nikolaj-petrov","weight":5,"wikidata":"https://www.wikidata.org/wiki/Q4360830"}