{"slug": "humphry-davy", "label": "Humphry Davy", "wikipedia": "https://en.wikipedia.org/wiki/Humphry_Davy", "wikidata": "https://www.wikidata.org/wiki/Q131761", "qid": "Q131761", "description": "British chemist", "entries": 7, "years": 7, "span": [1778, 1829], "span_label": ["1778 CE", "1829 CE"], "topics": [{"title": "Science & Discovery", "count": 3}, {"title": "Births", "count": 1}, {"title": "Culture & Society", "count": 1}, {"title": "Disasters & Accidents", "count": 1}, {"title": "Deaths", "count": 1}], "related": [{"slug": "royal-society", "label": "Royal Society", "shared": 1}], "items": [{"year": 1778, "year_label": "1778 CE", "section": "Births", "date": "December 17", "text": "December 17 – Humphry Davy, English physicist, chemist (d. 1829)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371073991#September–December", "title": "1778", "revid": 1371073991, "section": "Births › September–December"}}, {"year": 1802, "year_label": "1802 CE", "section": "Culture & Society", "date": "June", "text": "June – The first account of Thomas Wedgwood's experiments in photography is published by Humphry Davy in the Journal of the Royal Institution in London. Since a fixative for the image has not yet been developed, the early photographs quickly fade.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341741915#April–June", "title": "1802", "revid": 1341741915, "section": "Events › April–June"}}, {"year": 1807, "year_label": "1807 CE", "section": "Science & Discovery", "date": "October 6", "text": "October 6 – English chemist Humphry Davy electrochemically isolates potassium from potash.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1362733939#October–December", "title": "1807", "revid": 1362733939, "section": "Events › October–December"}}, {"year": 1808, "year_label": "1808 CE", "section": "Science & Discovery", "date": "June 30", "text": "June 30 – English chemist Humphry Davy informs the Royal Society of London of his isolation and discovery of two elements by electrolysis. From lime, he has produced calcium and established that lime is calcium oxide; by heating boric acid and potassium in a copper tube, he creates a substance he calls boracium, which is eventually called boron. This year he also isolates magnesium and strontium.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369185588#April–June", "title": "1808", "revid": 1369185588, "section": "Events › April–June"}}, {"year": 1815, "year_label": "1815 CE", "section": "Science & Discovery", "date": "November 3", "text": "November 3 – Sir Humphry Davy announces his invention, the Davy lamp (a coal mining safety lamp),", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365587765#November", "title": "1815", "revid": 1365587765, "section": "Events › November"}}, {"year": 1816, "year_label": "1816 CE", "section": "Disasters & Accidents", "date": "January 9", "text": "January 9 – Sir Humphry Davy's Davy lamp is first tested underground as a coal mining safety lamp, at Hebburn Colliery in northeast England;", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1363267979#January–March", "title": "1816", "revid": 1363267979, "section": "Events › January–March"}}, {"year": 1829, "year_label": "1829 CE", "section": "Deaths", "date": "May 29", "text": "May 29 – Humphry Davy, British chemist (b. 1778)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371400114#January–June", "title": "1829", "revid": 1371400114, "section": "Deaths › January–June"}}]}