Hallen, Ambrose Architect and businessman who was Colonial Architect 1832-35. He resigned to become a partner with James Barker as Barker & Hallen Flour Mill. He terminated his partnership in the firm in 1842. Milestone Arrived Sydney 1827 {"name":"Arrived Sydney","target":"","target_text":null,"date":{"#markup":"<span class='date'>1827<\/span>"},"date_start":"1827","date_end":"1827"} Died at sea 1845 {"name":"Died","target":"","target_text":"at sea","date":{"#markup":"<span class='date'>1845<\/span>"},"date_start":"1845","date_end":"1845"} Occupation Architect 1832 - 1835 {"name":"Architect","target":"","target_text":null,"date":{"#markup":"<span class='date'>1832<\/span><span class='separator'> - <\/span><span class='date'>1835<\/span>"},"date_start":"1832-01-01","date_end":"1835-01-01"} Miller 1835 - 1842 {"name":"Miller","target":"","target_text":null,"date":{"#markup":"<span class='date'>1835<\/span><span class='separator'> - <\/span><span class='date'>1842<\/span>"},"date_start":"1835-01-01","date_end":"1842-01-01"} Position Architect St Brigid's Catholic church Millers Point {"name":"Architect","target":"St Brigid's Catholic church Millers Point","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Government Architect Government Architect's Office 1832 - 1834 {"name":"Government Architect","target":"Government Architect's Office","target_text":null,"date":{"#markup":"<span class='date'>1832<\/span><span class='separator'> - <\/span><span class='date'>1834<\/span>"},"date_start":"1832-01-01","date_end":"1834-01-01"} Architect Roslyn Hall 1834 {"name":"Architect","target":"Roslyn Hall","target_text":null,"date":{"#markup":"<span class='date'>1834<\/span>"},"date_start":"1834","date_end":"1834"} Relationship Sibling Hallen, Edward {"name":"Sibling","target":"Hallen, Edward","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Business partner Barker, James {"name":"Business partner","target":"Barker, James","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}