2. John Strutt (Lord Rayleigh) By: Kylee Thompson

3. John William Strutt Born November 12 th 1842 -- Langford Grove in Essex England Born November 12 th 1842 -- Langford Grove in Essex England Died June 30 th 1919 -- Place, Witham, Essex. Died June 30 th 1919 -- Place, Witham, Essex. Lived to be 77 Lived to be 77

4. Accomplishments Won 11 honorable awards including: Won 11 honorable awards including: Nobel Prize for Physics in 1904 Nobel Prize for Physics in 1904 Royal Society Copley Medal Royal Society Copley Medal The Third Lord Rayleigh: studied density of gas The Third Lord Rayleigh: studied density of gas

5. Studies/Contributions of Science Rayleigh studied electrochemistry, chemistry, and physics of gases. Rayleigh studied electrochemistry, chemistry, and physics of gases. Also studied sound and optics. Also studied sound and optics.

6. started researched in electrodynamics, color vision, radiation scattering, started researched in electrodynamics, color vision, radiation scattering, acoustics, and other experimental observable occurrence, acoustics, and other experimental observable occurrence, that could be explained in terms of wave motion. that could be explained in terms of wave motion.

7. Looked at ratio of the densities of hydrogen Looked at ratio of the densities of hydrogen and oxygen, and measured the density of nitrogen. and oxygen, and measured the density of nitrogen.

8. Interesting Facts Lord Rayleigh was an English physicist Lord Rayleigh was an English physicist was elected Fellow of the Royal Society on 12 June, 1873 was elected Fellow of the Royal Society on 12 June, 1873 Those days there were no university laboratory facilities: Those days there were no university laboratory facilities: he established his own at the family home. he established his own at the family home.

9. Unexpectedly discovered the first rare inert gas argon Unexpectedly discovered the first rare inert gas argon Work was mainly with forms of wave motion Work was mainly with forms of wave motion Became third Baron Rayleigh Became third Baron Rayleigh

10. Discovered nitrogen made from the atmosphere was more dense... Discovered nitrogen made from the atmosphere was more dense... than nitrogen prepared from pure ammonia than nitrogen prepared from pure ammonia

11. In 1870 he published his classic paper "On the Theory of Resonance" In 1870 he published his classic paper "On the Theory of Resonance" established Strutt's reputation as a serious scientist established Strutt's reputation as a serious scientist capable of handling both experimental and mathematical problems

12. Bibliography http://www.gap- system.org/~history/Biographies/Ray leigh.html http://www.gap- system.org/~history/Biographies/Ray leigh.html http://www.gap- system.org/~history/Biographies/Ray leigh.html http://www.gap- system.org/~history/Biographies/Ray leigh.html http://www.encyclopedia.com/doc/1G 2-3400900486.html http://www.encyclopedia.com/doc/1G 2-3400900486.html http://www.encyclopedia.com/doc/1G 2-3400900486.html http://www.encyclopedia.com/doc/1G 2-3400900486.html http://www.absoluteastronomy.com/t opics/John_Strutt,_3rd_Baron_Rayle igh http://www.absoluteastronomy.com/t opics/John_Strutt,_3rd_Baron_Rayle igh http://www.absoluteastronomy.com/t opics/John_Strutt,_3rd_Baron_Rayle igh http://www.absoluteastronomy.com/t opics/John_Strutt,_3rd_Baron_Rayle igh http://www.chemistryexplained.com/ St-Te/Strutt-John-Lord-Rayleigh.html http://www.chemistryexplained.com/ St-Te/Strutt-John-Lord-Rayleigh.html