Short answers, pulled from the story.
John Tyndall was born on the 2nd of August 1820 in Leighlinbridge, County Carlow. His father worked as a local police constable and descended from emigrants who settled in southeast Ireland around 1670.
John Tyndall concluded that water vapour is the principal gas controlling air temperature through infrared radiation absorption. He became the first to demonstrate visually transparent gases are infrared emitters during experiments in the 1860s.
John Tyndall reached the summit of the Weisshorn in 1861 as part of the first climbing team to do so. An early team led by Tyndall reached the top of the Matterhorn in 1868 after previously summiting Monte Rosa solo on the 10th of August 1858.
John Tyndall held this prestigious chair from 1853 until 1887 when he retired due to ill health complaints. Michael Faraday advocated for Tyndall's appointment before the elder scientist eventually retired.
John Tyndall died from an accidental overdose in 1893 at age seventy-three while bedridden and ailing. His wife administered drugs accidentally giving him a lethal dose of chloral hydrate which he used to treat insomnia.