John Lapham Dunmore and George P. Critcherson, from William Bradford's The Arctic Regions (London: Sampson Low, Marston, Low and Searle, 1873). Albumen silver print, 11.4 x 15.9 (28.9 x 40.3 cm).

On April 6, 1909, American explorers Robert Peary and Matthew Henson, alongside Inuit guides Ootah, Egigingwah, Seegloo and Ooqueah, were on top of the world. Or so they claimed. ; _oneall.push(['social_login', 'set_providers', ['amazon','facebook','google','linkedin','twitter']]); _oneall.push(['social_login', 'set_callback_uri', (window.location.href + ((window.location.href.split('?')[1] ? '&': '?') + "oa_social_login_source=shortcode"))]); _oneall.push(['social_login', 'set_custom_css_uri', 'https://secure.oneallcdn.com/css/api/socialize/themes/wordpress/small.css']); _oneall.push(['social_login', 'do_render_ui', 'oneall_social_login_providers_7405182']);