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 were looking for (e.g., a social media user or different professional), please provide more context. CORRESPONDENCE - Nature johnhart1
"Mathematics walks into history" (Nature 475, 167; 2011). Based on the available search results, refers to
Mathematics history, specifically regarding William Rowan Hamilton walking across a Dublin bridge in 1843. Based on the available search results
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