they were around in the 19th century

they discovered that nuclear reactions generate stellar energy

http://images.google.com/imgres?imgurl=http://archive.sciencewatch.com/interviews/john_bahcall_big.jpg&imgrefurl=http://www.sciencewatch.com/interviews/john-n-bahcall.htm&h=250&w=219&sz=15&hl=en&start=1&usg=__9lghd9Pwd5ndu5rWE82OsLw3Tf8=&tbnid=L_CnCIC9AGwJKM:&tbnh=111&tbnw=97&prev=/images%3Fq%3DRay%2Bdavis%2Bjohn%2Bbahcall%26hl%3Den%26safe%3Dactive%26rlz%3D1T4RNWN_enUS260

S. Chand developed a theory of white dwarf stars

he was born in 1910 and died in 1995

http://images.google.com/imgres?imgurl=http://charm.physics.ucsb.edu/people/hnn/Chandrasekhar.jpg&imgrefurl=http://www.phys-astro.sonoma.edu/brucemedalists/Chandrasekhar/Chandrasekhar.html&h=326&w=268&sz=8&hl=en&start=8&usg=__uvzzxRJSazGv28Qtw6EpP1SAZ5Y=&tbnid=6bPrC9g-gflafM:&tbnh=118&tbnw=97&prev=/images%3Fq%3Ds.%2BChandrasekhar%26hl%3Den%26safe%3Dactive%26rlz%3D1T4RNWN_enUS260

Arno was born in 1933 he is still alive

Robert was born in 1936 he is still alive

They say they found radiation left over from the big bang

http://www.bnsc.gov.uk/lzcontent.aspx?nid=4728

Annie Cannon was born in 1863 and died in 1941

she classified stars in the southern spectra

http://www.wellesley.edu/Astronomy/Annie/career.html

Clyde Tombaugh was born in 1906 and died in 1997

he discovered Pluto

http://www.klx.com/clyde/

Johannes Kepler was born in 1571 and died in 1630

he was the first to correctly explain planitary motion

http://kepler.nasa.gov/johannes/

Albert Einstein was born in 1879 and died in 1955

he made atomic bomb and discovered E=Mc squared

http://nobelprize.org/nobel_prizes/physics/laureates/1921/einstein-bio.html

Edwin Hubble was born in 1889 and died in 1953

showed that the universe is expanding and is considered to be the father of observational cosmology

http://www.edwinhubble.com/

isaac newton was alive from 1643 to 1727

he made discoveries about gravity

http://galileoandeinstein.physics.virginia.edu/lectures/newton.html

The first half of my project

Powell, you can find it here at http://isaachoffmann.blogspot.com/ The rest of my class will be on this blog, and I linked to your home page..