Brownian motion

The term Brownian motion (in honor of the botanist Robert Brown) refers to either

References

• Brown, Robert, "A brief account of microscopical observations made in the months of June, July and August, 1827, on the particles contained in the pollen of plants; and on the general existence of active molecules in organic and inorganic bodies." Phil. Mag. 4, 161-173, 1828. (PDF version of original paper including a subsequent defense by Brown of his original observations, Additional remarks on active molecules.)
• Einstein, A. "Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen." Ann. Phys. 17, 549, 1905. http://www.wiley-vch.de/berlin/journals/adp/549_560.pdf
• Einstein, A. Investigations on the Theory of Brownian Movement. New York: Dover, 1956. ISBN 0486603040
• Nelson, Edward, Dynamical Theories of Brownian Motion (1967)   (PDF version of this out-of-print book, from the author's webpage.)