See also:

• JOHN
• JOHN (1167–1216)
• JOHN (1290-c. 1320)
• JOHN (1296-1346)
• JOHN (1371–1419)
• JOHN (1468-1532)
• JOHN (1801-1873)
• JOHN (Heb. llni')
• JOHN (ZAPOLYA) (1487-1540)
• JOHN, 4TH MARQUESS OF TWEEDDALE (c. 1695-1762)
• JOHN, DON (1545-1578)
• JOHN, DON (1629–1679)
• JOHN, GOSPEL OF ST
• JOHN, or HAYS (1513–1571)
• JOHN, THE APOSTLE
• JOHN, THE EPISTLES OF

JOHN See also:

• MURRAY
• MURRAY (or MORAY), EARLS OF
• MURRAY (or MORAY), JAMES STUART, EARL OF (c. 1531-1570)
• MURRAY (or MORAY), SIR ROBERT (c. 1600-1673)
• MURRAY, ALEXANDER STUART (1841-1904)
• MURRAY, DAVID (1849– )
• MURRAY, EUSTACE CLARE GRENVILLE (1824–1881)
• MURRAY, JAMES (c. 1719-1794)
• MURRAY, JOHN
• JOHN MURRAY (1778–1820)
• MURRAY, LINDLEY (1745–1826)
• MURRAY, LORD GEORGE (1694–1760)
• MURRAY, SIR JAMES AUGUSTUS HENRY (1837– )
• MURRAY, SIR JOHN (1841– )

MURRAY (1778–1820)  , Scottish chemist, was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born at See also:

• EDINBURGH

Edinburgh in 1778 and died there on the 22nd of See also:

• JULY

July 182o . He graduated M.D. at St See also:

• ANDREWS, JAMES PETTIT (c. 1737–1797)
• ANDREWS, THOMAS (1813–1885)

Andrews in 1814, and attained some reputation as a lecturer on See also:

• CHEMISTRY
• CHEMISTRY (formerly "chymistry"; Gr. xvµela; for derivation see ALCHEMY)

chemistry and materia medica . He was an opponent of See also:

• SIR

Sir See also:

• HUMPHRY, OZIAS (1742-1810)

Humphry See also:

• DAVY, SIR HUMPHRY

Davy's theory of See also:

• CHLORINE (symbol Cl, atomic weight 35`46 (0=16)

chlorine, supporting the view that the substance contained See also:

• OXYGEN (symbol 0, atomic weight 16)

oxygen, and it was in the course of experiments made to disprove his arguments that Dr See also:

• JOHN
• JOHN (1167–1216)
• JOHN (1290-c. 1320)
• JOHN (1296-1346)
• JOHN (1371–1419)
• JOHN (1468-1532)
• JOHN (1801-1873)
• JOHN (Heb. llni')
• JOHN (ZAPOLYA) (1487-1540)
• JOHN, 4TH MARQUESS OF TWEEDDALE (c. 1695-1762)
• JOHN, DON (1545-1578)
• JOHN, DON (1629–1679)
• JOHN, GOSPEL OF ST
• JOHN, or HAYS (1513–1571)
• JOHN, THE APOSTLE
• JOHN, THE EPISTLES OF

John Davy discovered phosgene or carbonyl chloride . He was a diligent writer of textbooks, including Elements of Chemistry (18o1); Elements of Materia Medica and See also:

• PHARMACY

Pharmacy (1804); A See also:

• SYSTEM

System of Chemistry (1806), and (anonymously) A See also:

• COMPARATIVE

Comparative View of the Huttonian and Neptunian Systems of See also:

• GEOLOGY (from Gr. yp7, the earth, and Abyor, science)

Geology . He is sometimes confused with another John See also:

• MURRAY
• MURRAY (or MORAY), EARLS OF
• MURRAY (or MORAY), JAMES STUART, EARL OF (c. 1531-1570)
• MURRAY (or MORAY), SIR ROBERT (c. 1600-1673)
• MURRAY, ALEXANDER STUART (1841-1904)
• MURRAY, DAVID (1849– )
• MURRAY, EUSTACE CLARE GRENVILLE (1824–1881)
• MURRAY, JAMES (c. 1719-1794)
• MURRAY, JOHN
• MURRAY, JOHN (1778–1820)
• MURRAY, LINDLEY (1745–1826)
• MURRAY, LORD GEORGE (1694–1760)
• MURRAY, SIR JAMES AUGUSTUS HENRY (1837– )
• MURRAY, SIR JOHN (1841– )

Murray (1786–1851), a popular lecturer at See also:

• MECHANICS

mechanics' institutes . The two men carried on a dispute about the inven- I tion of a miners' safety See also:

• LAMP (from Gr. Xag ras, a torch, Xaµaav, to shine)

lamp in the Phil . See also:

• HAG

Hag. for 1817 .