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Emilie du Chatelet
Proved the concept of infrared radiation and published on it. She translated and commented on Isaac Newton's book. Picture-(www.bing.com/images/search?view=detailV2&ccid=fbbVNwxi&id=55C2F8204B5D1F58237D3E494BB0DB2D6E806968&thid=OIP.fbbVNwxieGib_qdMGY33NQDxEs&mediaurl=http%3A%2F%2F1.bp.blogspot.com%2F_wv2CdJSaoF8%2FTKtm2LFEc8I%2FAAAAAAAAAmE%2FvkzLOUbN6F0%2Fs1600%2FEmilie.jpg&exph=392&expw=315&q=emilie+du+chatelet+contributions&selectedindex=3&ajaxhist=0) -
John Dalton
Proved atoms exist using chemicals with even ratios. A problem with his is that atoms can be divided.(Source-www.bing.com/images/search?view=detailV2&ccid=u%2B71W3aN&id=1128B9716ADB95ED67390CD0356BA090A3271140&thid=OIP.u-71W3aNyRKwb_akT-NGLwFtCr&mediaurl=http%3A%2F%2Fwww.universetoday.com%2Fwp-content%2Fuploads%2F2014%2F12%2Fdalton_atomictheory-e1453320561241.jpg&exph=267&expw=570&q=John+Dalton+Atomic+Theory+Model+of+an+Atom&ajaxhist=0) -
JJ Thomson
Used beams of glowing gases to discover one of the smaller particles in atoms, the electron. He thought that particle distribution was uniform. Source-(www.bing.com/images/search?view=detailV2&ccid=H%2fSfG3RO&id=4903CD59AA6050D7C734C1DAEDC728B7AE1B0E7B&thid=OIP.H_SfG3RO6Lbt7GKlL9zA6AEjEs&mediaurl=http%3a%2f%2freich-chemistry.wikispaces.com%2ffile%2fview%2fplum.jpg%2f147037063%2fplum.jpg&exph=440&expw=427&q=jj+thomson+discovery&simid=608052192834096589&selectedIndex=5&ajaxhist=0) -
Ernest Rutherford
He figured out that atoms are mostly empty space and found the atomic nucleus. He thought atoms collapsed when they changed energy levels which is false. Picutre-(www.bing.com/images/search?view=detailV2&ccid=vloGG37G&id=1C3B61EC53E89620BDA4710FF7DCCAC9151CB054&thid=OIP.vloGG37G8wT0M_aI6jt1FwFJC9&mediaurl=http%3a%2f%2fwww.justscience.in%2fwp-content%2fuploads%2f2017%2f06%2fpjimage-4-15.jpg&exph=500&expw=870&q=rutherford+model&simid=607996847914552800&selectedIndex=2&ajaxhist=0) -
Satyendra Bose
He worked on the Bose-Einstein condensate and the Boson or God particle. (https://www.bing.com/images/search?view=detailV2&ccid=x231fBbt&id=AC232E4987FAD6C3D76F7B7767373F85CEF17A33&thid=OIP.x231fBbt_RfmR0cI_drJcQEsCr&mediaurl=http%3a%2f%2fwww.quantum-munich.de%2ffileadmin%2fmedia%2fmedia%2fbose_einstein_condensates%2fPhaseTrans.jpg&exph=668&expw=1168&q=bose+einstein+condensates&simid=607990310956699343&selectedIndex=0&ajaxhist=0) -
Sir James Chadwick
Discovered neutrons and isotopes but he couldn't find enough evidence to back it up for a while. (http://historyoftheatommh7.wikispaces.com/file/view/james%20experiment.gif/531068060/james%20experiment.gif) -
Lise Meitner
Lise Meitner discovered how to split the nucleus and that later helped with making nuclear bombs. She got confused with distribution of energy. (source- www.bing.com/images/search?view=detailV2&ccid=gglQXq0G&id=8ADD370CD6DEC70E0A3A4B87A79A9A095A67BC0B&thid=OIP.gglQXq0GoW5z8Lxr5IW0PwFlCv&mediaurl=http%3a%2f%2fpaininmyassproject.weebly.com%2fuploads%2f3%2f8%2f9%2f3%2f38930119%2f437760068.gif&exph=197&expw=402&q=lise+meitner+model&simid=607992119140419184&selectedIndex=16&ajaxhist=0) -
Neils Bohr
Found electrons orbited the nucleus which is basicallt quantum theory. His model worked for hydrogen so it wasn't as broad or complex as it could be. (https://www.bing.com/images/search?view=detailV2&ccid=4i8Oi5WQ&id=32E2EDF827D643FA4E2BC18E01E3C25E73BA618D&thid=OIP.4i8Oi5WQSFk_i6mLuAaJpwEsDW&mediaurl=http%3a%2f%2fwww.robotplatform.com%2fknowledge%2fAtomic%2520Theory%2fatom-bohr_en.jpg&exph=252&expw=352&q=niels+bohr+model&simid=608038208436766775&selectedIndex=0&ajaxhist=0) -
Murray Gell-Mann
Classified subatomic particles and their relations. In 1964, he discovered quarks. Picture- https://www.bing.com/images/search?view=detailV2&ccid=SBEDvjHN&id=89E55E07BAA2A3D89A5705274CB6D49F4CD6BDA7&thid=OIP.SBEDvjHNWRdz4sGuN-4hEgEsBR&mediaurl=https%3a%2f%2fthe-history-of-the-atom.wikispaces.com%2ffile%2fview%2fatom_2_quark.gif%2f183312963%2fatom_2_quark.gif&exph=93&expw=341&q=murray+gell+mann+model&simid=608035579920581792&selectedIndex=21&ajaxhist=0