If this is not the specific "johnhart1" you were looking for (e.g., a social media user or different professional), please provide more context. CORRESPONDENCE - Nature
Mathematics history, specifically regarding William Rowan Hamilton walking across a Dublin bridge in 1843. johnhart1
Based on the available search results, refers to John Hart from Oxford Brookes University , UK, who published correspondence in Nature in 2011. Profile: John Hart Affiliation: Oxford Brookes University, Oxford, UK. Contact Identifier: johnhart1@btconnect.com . If this is not the specific "johnhart1" you
Contributed a letter to Nature (Vol 476, 11 August 2011) regarding the history of mathematician William Rowan Hamilton and the discovery of quaternions. Context of Contribution johnhart1
"Mathematics walks into history" (Nature 475, 167; 2011).