* 1820 – John Tyndall, British physicist ( d. 1893 )

John Tyndall first described antagonistic activities by fungi against bacteria in England in 1875.

* 1893 – John Tyndall, Irish physicist ( b. 1820 )

The argument and the evidence was further strengthened by Claude Pouillet in 1827 and 1838, and reasoned from experimental observations by John Tyndall in 1859, and more fully quantified by Svante Arrhenius in 1896.

Early versions were constructed by the Scottish chemist John Stenhouse in 1854 and the physicist John Tyndall in the 1870s.

The first published reference appears in the publication of the Royal Society in 1875, by John Tyndall.

* July 14 – John Tyndall, British politician ( d. 2005 )

Initiated by Thomas Henry Huxley, the group consisted of such important scientists as Joseph Dalton Hooker, Herbert Spencer, and John Tyndall, along with another five scientists and mathematicians ; these scientists were all avid supporters of Darwin ’ s theory of evolution as common descent, a theory which, during the latter-half of the 19th century, received a great deal of criticism among more conservative groups of scientists.

Hermann von Helmholtz used the German Klangfarbe ( tone color ), and John Tyndall proposed an English translation, clangtint.

In the 17th century, the tip of land protruding into the York River, across from Yorktown, was named Tyndall's Point by Robert Tyndall, mapmaker for Captain John Smith.

The Wilbur A. Tyndall Tractor Museum has a collection of John Deere, Massey, and other tractors from various years.

Many of these residual objections were routed by the work of John Tyndall, succeeding the work of Pasteur.

The investigations of John Tyndall, a correspondent of Pasteur and a great admirer of Pasteur's work, were decisive in dispelling lingering difficulties.

Some of the most prominent British scientists of the 19th century, including William Rowan Hamilton, George Gabriel Stokes, and John Tyndall, were Anglo-Irish.

* John Tyndall

The scientist John Tyndall ( 1820-1893 ) lived and died in the village at a house now on " Tyndalls ", named after him.

John Tyndall was also influential in the teaching of physical science.

* John Tyndall, right-wing politician and writer

* John Tyndall Award, recognizes contributions to fiber optic technology ( co-sponsored with the IEEE Photonics Society ).

They also introduced Muir to notables such as Emerson, as well as leading scientists such as Louis Agassiz, John Tyndall, John Torrey, Clinton Hart Merriam, and Joseph LeConte.

Members included physicist-philosopher John Tyndall and Darwin's cousin, the banker and biologist Sir John Lubbock.

Most of the ANL's leafleting and other campaigns in the 1970s were in opposition to far right groups which it claimed were not just racist but fascist, such as the National Front, an organisation led by John Tyndall who had a long history of involvement with openly fascist and Nazi groups.