| Henry Dunant | |
|---|---|
| Born | Jean Henri Dunant May 8, 1828 Geneva, Switzerland |
| Died | October 30, 1910 (aged 82) Heiden, Switzerland |
| Cause of death | Old age |
| Body discovered | Switzerland |
| Resting place | Switzerland |
| Nationality | Swiss, French[1] |
| Citizenship | Swiss |
| Occupation | Social activist, Businessman, Writer |
| Known for | Founder of the Red Cross |
| Religion | Calvinism (early years) non-religious in later life |
| Children | Daughter |
| Parents | Jean-Jacques Dunant Antoinette Dunant-Colladon |
| Awards | Nobel Peace Prize (1901) |
| Michael Faraday | |
|---|---|
Michael Faraday |
|
| Born | 22 September 1791 Newington Butts, England |
| Died | 25 August 1867 (aged 75) Hampton Court, Middlesex, England |
| Residence | United Kingdom |
| Nationality | British |
| Fields | Physics and Chemistry |
| Institutions | Royal Institution |
| Known for | Faraday's law of induction Electrochemistry Faraday effect Faraday cage Faraday constant Faraday cup Faraday's laws of electrolysis Faraday paradox Faraday rotator Faraday-efficiency effect Faraday wave Faraday wheel Lines of force |
| Influences | Humphry Davy William Thomas Brande |
| Notable awards | Royal Medal (1835 & 1846) Copley Medal (1832 & 1838) Rumford Medal (1846) |
| Signature | |
| James Clerk Maxwell | |
|---|---|
James Clerk Maxwell (1831–1879) |
|
| Born | 13 June 1831 Edinburgh, Scotland |
| Died | 5 November 1879 (aged 48) Cambridge, England |
| Citizenship | United Kingdom |
| Nationality | Scottish |
| Fields | Physics and Mathematics |
| Institutions | Marischal College, Aberdeen King's College London University of Cambridge |
| Alma mater | University of Edinburgh University of Cambridge |
| Academic advisors | William Hopkins |
| Notable students | George Chrystal |
| Known for | Maxwell's equations Maxwell distribution Maxwell's demon Maxwell's discs Maxwell speed distribution Maxwell's theorem Maxwell material Generalized Maxwell model Displacement current Maxwell's Wheel |
| Notable awards | Smith's Prize (1854) Adams Prize (1857) Rumford Medal (1860) Keith Prize (1869–71) |
| Signature | |
| Sir Isaac Newton | |
|---|---|
Godfrey Kneller's 1689 portrait of Isaac Newton (age 46) |
|
| Born | 25 December 1642 [NS: 4 January 1643][1] Woolsthorpe-by-Colsterworth Lincolnshire, England |
| Died | 20 March 1727 (aged 84) [OS: 20 March 1726; NS: 31 March 1727][1] Kensington, Middlesex, England |
| Resting place | Westminster Abbey |
| Residence | England |
| Nationality | English (Later British) |
| Fields | |
| Institutions |
|
| Alma mater | Trinity College, Cambridge |
| Academic advisors | |
| Notable students | |
| Known for | |
| Influences | |
| Influenced | |
| Signature | |
| Thomas Edison | |
|---|---|
"Genius is one percent inspiration, ninety-nine percent perspiration."
– Thomas Alva Edison, Harper's Monthly (September 1932 edition) |
|
| Born | Thomas Alva Edison February 11, 1847 Milan, Ohio, U.S. |
| Died | October 18, 1931 (aged 84) West Orange, New Jersey, U.S. |
| Nationality | American |
| Education | School dropout |
| Occupation | Inventor, businessman |
| Religion | Deist |
| Spouse(s) |
Mary Stilwell (m. 1871–1884) |
| Children | Marion Estelle Edison (1873–1965) Thomas Alva Edison Jr. (1876–1935) William Leslie Edison (1878–1937) Madeleine Edison (1888–1979) Charles Edison (1890–1969) Theodore Miller Edison (1898–1992) |
| Parents | Samuel Ogden Edison, Jr. (1804–1896) Nancy Matthews Elliott (1810–1871) |
| Relatives | Lewis Miller (father-in-law) |
| Signature | |

In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem.
Once formed, a bud may remain for some time in a dormant condition, or
it may form a shoot immediately. Buds may be specialized to develop
flowers or short shoots, or may have the potential for general shoot
development. The term bud is also used in zoology, where it refers to an outgrowth from the body which can develop into a new individual.
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants.[1][2]
Typically a leaf is a thin, flattened organ borne above ground and specialized for photosynthesis, but many types of leaves are adapted in ways almost unrecognisable in those terms: some are not flat (for example many succulent leaves and conifers), some are not above ground (such as bulb scales), and some are without major photosynthetic function (consider for example cataphylls, spines, and cotyledons).
Conversely, many structures of non-vascular plants, or even of some lichens, which are not plants at all (in the sense of being members of the kingdom Plantae), do look and function much like leaves. Furthermore, several structures found in vascular plants look like leaves but are not actually leaves; they differ from leaves in their structures and origins. Examples include phyllodes, cladodes, and phylloclades.[2]
| Antoine Lavoisier | |
|---|---|
Line engraving by Louis Jean Desire Delaistre, after a design by Julien Leopold Boilly |
|
| Born | 26 August 1743 Paris, France |
| Died | 8 May 1794 (aged 50) Paris, France |
| Fields | biologist, chemist |
| Influences | Guillaume-François Rouelle |
| Signature | |