{"echo_id":"f29d7c32-71d7-428b-8e72-cb0550834bf5","kind":"person","canonical_name":"Ernst Chladni","aliases":[],"summary":"Ernst Chladni, 1756–1827. Physicist whose vibrating plates draw the figures named for him. Born 30 November 1756. Died 3 April 1827. This Echo is the name and span, not a biography.","years":"1756–1827","place_hint":null,"tags":["person","historical"],"verified":false,"public_publish":true,"primary_image_url":"https://media-vayati.s3.us-east-va.io.cloud.ovh.us/echoes/visages/f29d7c32-71d7-428b-8e72-cb0550834bf5/16b80c5a0fe741119bf0.jpg","primary_image_type":"upload","is_placeholder":false,"image_is_placeholder":false,"created_at":"2026-10-16T07:24:47.788Z","updated_at":"2026-10-16T07:24:59.395Z","parent_place_echo_id":null,"place_grain":null,"nested_places":[],"parent_place":null}