{"category":null,"date":{"calendar":null,"day":30,"day_url":"https://kogda.com/30-iyunya","month":6,"text":"30 июня 1860 года","year":1860,"year_url":"https://kogda.com/1860"},"id":140725,"kind":"birth","license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Владимир Михельсон","slug":"vladimir-mihelson","url":"https://kogda.com/p/vladimir-mihelson"}],"places":[],"related":[],"slug":"rozhdenie-vladimir-mihelson","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/30_июня"},"summary":null,"text":"физик и геофизик, один из основоположников российской актинометрии, профессор","title":"Владимир Михельсон","url":"https://kogda.com/e/rozhdenie-vladimir-mihelson","weight":4}