AA << have (..) provided solid evidence for the most likely transit route that took Hannibal’s forces across the Alps via the Col de Traversette pass (~3000 m). This crossing point was first proposed over a half century ago by the biologist and polymath Sir Gavin de Beer, but has not previously been widely accepted by the academic community. >>
Queen’s University Microbiologists Unmask the Hannibal Route Enigma.
W. C. Mahaney, C. C. R. Allen, et al. Biostratigraphic Evidence Relating to the Age-Old Question of Hannibal's Invasion of Italy, II: Chemical Biomarkers and Microbial Signatures. Article first published online: 16 Mar 2016 DOI: 10.1111/arcm.12228