TL;DR - These Folks Don't Understand History [8/Mar/17]

George Washington Carver didn't invent peanut butter:
http://www.peanutbureau.ca/media-resources/news/229-a-canadian-history-of-peanut-butter.html
http://pdfpiw.uspto.gov/.piw?Docid=00306727&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO2%2526Sect2%3DHITOFF%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsearch-bool.html%2526r%3D1%2526f%3DG%2526l%3D50%2526co1%3DAND%2526d%3DPALL%2526s1%3D0306727.PN.%2526OS%3DPN%2F0306727%2526RS%3DPN%2F0306727&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page
http://pdfpiw.uspto.gov/.piw?docid=00604493&PageNum=1&IDKey=611D5B869ACB&HomeUrl=http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1%2526Sect2=HITOFF%2526p=1%2526u=%25252Fnetahtml%25252FPTO%25252Fsearch-bool.html%2526r=1%2526f=G%2526l=50%2526d=PALL%2526S1=0604493.PN.%2526OS=PN/0604493%2526RS=PN/0604493
http://www.huffingtonpost.com/2012/01/22/peanut-butter-history_n_1222585.html
https://www.google.com/patents/US721651

Madam C.J. Walker did not invent the hot comb.
https://www.hji.co.uk/top-hairdressers/hairdressing-icons-marcel-grateau/
http://www.scienceandsociety.co.uk/results.asp?image=10321362&itemw=4&itemf=0005&itemstep=1&itemx=1//
http://www.google.co.uk/patents/US1362823
http://www.freepatentsonline.com/1413255.pdf
https://en.wikipedia.org/wiki/Hot_comb

George Crum did not invent the potato chip:
http://science.howstuffworks.com/innovation/inventions/10-inventions-by-african-americans2.htm
https://books.google.co.uk/books?id=gvcpAAAAYAAJ&pg=PA208&redir_esc=y#v=onepage&q&f=false

Origin of braids is unknown:
http://learn.genetics.utah.edu/content/selection/corn/
https://en.wikipedia.org/wiki/Braid
https://www.khanacademy.org/humanities/prehistoric-art/paleolithic-art/v/nude-woman-venus-of-willendorf-c-28-000-25-000-b-c-e

Otis Boykin did not invent the pacemaker:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2154721/
http://onlinelibrary.wiley.com/doi/10.1111/j.1540-8159.1982.tb02226.x/abstract;jsessionid=768B4B202B047901AB087162DC4355B1.f04t02
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3232561/
http://circ.ahajournals.org/content/circulationaha/115/22/f109.full.pdf

On your way out don't forget:
https://en.wikipedia.org/wiki/Statistics_of_incarcerated_African-American_males
https://www.bjs.gov/content/pub/pdf/htus8008.pdf
https://www.nationalgangcenter.gov/survey-analysis/demographics
http://www.statisticbrain.com/welfare-statistics/