Isaac Newton
Sir Isaac Newton PRS FRS (25 December 1642 - 20 March 1726/27) anali katswiri wa masamu, katswiri wa zakuthambo, katswiri wa zaumulungu, wolemba ndi fizikia (yemwe anafotokozedwa mu tsiku lake ngati "filosofi yachilengedwe") yemwe amadziwika kwambiri kuti ndi mmodzi mwa asayansi otchuka kwambiri nthawi zonse, ndi chiwerengero chofunikira pa zasinthidwe. Buku lake lakuti Philosophia Naturalis Principia Mathematica ("Mathematical Principles of Natural Philosophy"), loyamba lofalitsidwa mu 1687, linakhazikitsidwa maziko a makina achilengedwe.

Newton anafotokoza zochitika za chilengedwe pogwiritsa ntchito masamu. Iye anafotokoza malamulo a kuyendayenda ndi kugwidwa. Malamulo amenewa ndi masamu omwe amafotokoza momwe zinthu zimasunthira pamene mphamvu imawathandiza. Isaac anasindikiza buku lake lotchuka kwambiri, Principia, mu 1687 pamene anali pulofesa wa masamu ku Trinity College, Cambridge. Mu Principia, Isake anafotokoza malamulo atatu omwe amayendetsa njira zomwe zimayenda. Kenako anafotokoza lingaliro lake, kapena lingaliro, za mphamvu yokoka. Mphamvu yokoka ndi mphamvu imene imayambitsa zinthu. Ngati pensulo idagwa pa desiki, idzagwa pansi, osati padenga. Mu bukhu lake Isaac adagwiritsanso ntchito malamulo ake kusonyeza kuti mapulaneti amayenda kuzungulira dzuŵa m'mitsinje yomwe ili yozungulira, osati yozungulira. Isake anazindikiranso zosiyana. Izi zinamupangitsa kuti alowe m'munda wafizikiki, kumene iye anayenda bwino.

Moyo wam'mbuyomu ndi ntchito yoyambirira
Isaac Newton anabadwa pa 25 December 1642, m'nyumba ya nyumba ku Lincolnshire, England. Bambo ake anamwalira miyezi itatu asanabadwe. Pamene Isaki anali ndi amayi ake atatu, anakwatiwanso, ndipo Isaki anakhala ndi agogo ake. Iye sankafuna chidwi ndi famu ya banja, choncho anatumizidwa ku yunivesite ya Cambridge kuti akaphunzire. Nthaŵi zina amauzidwa kuti Isaac Newton akuwerenga buku pansi pa mtengo pamene apulo kuchokera pamtengo anagwa pafupi ndi iye. Zimenezi zinachititsa kuti aziwerengera mphamvu yokoka.

Zolemba 

Obadwa mu 1642 
Akufa mu 1727