Did you know that the scientist who invented germ theory was disbelieved for over a decade? There are many brilliant scientists who's genius wasn't believed until many years later. Join Hank Green for a new episode of SciShow and learn about 5 great scientists who got to say "I told you so!" SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://www.scishowtangents.org/ ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: rokoko, Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com/ Instagram: http://instagram.com/thescishow ---------- References: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5539135/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1888599/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1742910/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1888599/figure/F3/ https://www.ncbi.nlm.nih.gov/books/NBK333408/ https://www.cancerresearchuk.org/about-cancer/what-is-cancer/body-systems-and-cancer/the-immune-system-and-cancer#treatments https://www.nobelprize.org/prizes/medicine/1966/rous/facts/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3647430/ http://jem.rupress.org/content/12/5/696 https://blogs.plos.org/workinprogress/2012/02/09/the-story-of-peyton-rous-and-chicken-cancer/ https://link.springer.com/article/10.1007/BF02227892 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3256973/ https://qualitysafety.bmj.com/content/13/3/233 https://wwwnc.cdc.gov/eid/article/7/2/ac-0702_article https://cda-adc.ca/jcda/vol-66/issue-10/546.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3881728/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1088248/ https://www.genome.gov/25520238/online-education-kit-1900-rediscovery-of-mendels-work/ http://www.brooklyn.cuny.edu/bc/ahp/MBG/MBG2/MBG.Question.02.html https://history.nih.gov/exhibits/nirenberg/hs1_mendel.htm https://www.ncbi.nlm.nih.gov/pubmed/11488142 https://www.scientificamerican.com/article/hugo-de-vries/ http://www.indiana.edu/~p1013447/dictionary/mendel.htm https://www2.palomar.edu/anthro/mendel/mendel_1.htm https://www.geolsoc.org.uk/Plate-Tectonics/Chap1-Pioneers-of-Plate-Tectonics/Alfred-Wegener http://www.ucmp.berkeley.edu/history/wegener.html https://earthobservatory.nasa.gov/Features/Wegener/wegener_4.php https://www.nationalgeographic.org/encyclopedia/continental-drift/ http://www.indiana.edu/~geol105/images/gaia_chapter_3/wegener.htm