Is this sentence correct? if not, how can i fix it?

mark wolfson, phd, alexander c. wagenaar, phd, and gary w. hornseth, ba did a four-state study.

i wasn't sure if the titles are allowed like that, but i have to give the authors 'clout,' as my professor would say.

this is for an essay i am writing and it's too late to email my professor. however, my essay is due tonight. so much for any clarification!

Which piece of evidence would best support reason #1? othe history of using animals for research extends asfar back as 322 bce, when early greek physician-scientists, such as aristotle and erasistratus, performed various experiments on living animals. animal research played an essential role in thedevelopment of herceptin and tamoxifen, twomedications that have already saved the lives ofthousands of women who have been diagnosed withbreast cancer. even those who believe in testing on animals when it is hnecessary for vital medical research practice what isknown as "the 3 rs-reduction, refinement, andreplacement to reduce the number of animals usedfor testing. biologists believe that chimpanzees share at least 98.4percent of the same dna as humans and gorillas shareat least 97 percent, making primates a popular andlikely choice for the testing of products intended for humans

The colonists had difficulty coming together to revolt because they

According to the riddle of the rosetta stone, what problem did both jean-francois champollion and sylvestre de sacy face in their attempts to decipher the writings on the rosetta stone?