page_title: John Callan
hierarchical_section_title: John Callan
caption_attribution_description: English: John Bartholomew Callan wearing a lawyers' wig and gown
context_page_description: John Bartholomew Callan KC was a New Zealand judge. He was a Justice of the Supreme Court.
context_section_description: John Bartholomew Callan KC (15 August 1882 – 12 February 1951) was a New Zealand judge. He was a Justice of the Supreme Court  (now known as the High Court of New Zealand) (1935–51).
caption: John Callan in 1934
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