Madsen, John Percival Vissing

{"name":"Born","target":"","target_text":"Lochinvar, New South Wales","date":{"#markup":"<span class='date'>24 Mar 1879<\/span>"},"date_start":"1879-03-24","date_end":"1879-03-24"}

{"name":"Died","target":"","target_text":"Chatswood","date":{"#markup":"<span class='date'>04 Oct 1969<\/span>"},"date_start":"1969-10-04","date_end":"1969-10-04"}

{"name":"Commemorated by","target":"Madsen building","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Scientist","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Engineer","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Academic","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Chair","target":"Radiophysics Advisory Board","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Chair","target":"Australian Telecommunications and Electronics Research Board","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}

{"name":"Teacher","target":"University of Sydney","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}