Many scientists for some new scientific experiments, will always make a more bold behavior, but dare to experiment with their own scientists, or very rare, after all, such a move is too crazy, a little careless will endanger life safety, especially in the field of medicine, this kind of scientific attempt is extremely dangerous, but even if rare, there are also some scientists, in history to make such an adventurous experiment, and finally their efforts, have been exchanged for good results, the following small series to talk, in human history, 6 scientists who dare to conduct "crazy" experiments on themselves!

Max von Pettenkolf was a chemist and hygienist of the Kingdom of Bavaria known for his work on the proper treatment of sewage, practical hygiene, fresh air and quality water, and it is worth mentioning that he was also an expert in the fight against infectious diseases and did not believe that bacteria cause disease, a belief that differs from many other contemporary scientists.
In particular, the German physician and microbiologist Robert Koch, who identified the causes of tuberculosis, anthrax and cholera, and provided experimental support for the contagious nature of these diseases, in 1892, in order to prove that Robert Koch's theory was wrong, Max von Pettenkover drank cholera-containing broth in the presence of witnesses, and as a week later mild symptoms appeared, although he claimed that these symptoms were not related to cholera, but these symptoms, in fact, cholera, but he was lucky to have mild symptoms.
Doctors who dare to operate on themselves are probably still very rare in the world, and the famous American surgeon Evan O'Neill Kane is a leader in this regard, he is famous for having 3 surgeries on himself, the first time in 1919, when he amputated one of his infected fingers.
The second time was on February 15, 1921, in order to study whether local anesthesia could be used in future surgeries, he decided to do this scientific experiment with himself, with the help of a mirror to perform local anesthesia to remove the appendix, knowing that in that era, this was a major operation, life-threatening, but Kane still successfully completed, the third operation, Kane was 70 years old, under local anesthesia to repair the inguinal hernia, the operation was completed within 55 minutes, 36 hours later Kane returned to the operating room to work, It's amazing!
From ancient times to the present, there are some people in order to immortality, always choose to make some more crazy experiments, in 1924, Russian scientist Alexander Bogdanov, in order to obtain immortality, he began to try to use blood exchange to do scientific experiments, and personally went into battle, with the blood of volunteers to conduct experiments.
He also founded the Institute of Hematology and Transfusion, which later bore his name, but it was not long before the experiment that Bogdanov died, and it was later learned that he used the blood of a student with malaria and tuberculosis, although some scholars thought that his death may have been a suicide, others blamed it, the lack of understanding of blood group incompatibility at that time, in short, the scientific experiment ended in failure.
Alan Walkerblair, a professor at the University of Alabama School of Medicine, was known for proving that the Black Widow spider was poisonous to humans, and at the time, many believed that the venom was not dangerous to humans, and in order to refute these theories, Blair deliberately let a Black Widow spider bite itself, and through such scientific experiments, to prove his point of view correct.
After being bitten by the Black Widow spider, he endured severe pain and managed to record the effect of the bite on himself for two hours, until the pain became unbearable, only to let the assistant help, and finally had to stay in the hospital for two days before recovering, the test convinced the skeptics at the time, they also agreed that the venom of the Black Widow spider was very dangerous to humans.
The fastest speed on land, 1017 kilometers per hour, was created by American biophysicist and physician John Stapp, who is understood to have entered the U.S. Army Air Force as a flight surgeon in the 50s of the last century, with his first mission testing oxygen systems on unpressurized aircraft, where he solved many problems and conducted extensive research during his work, and also helped pioneer many developments in the U.S. space program.
On December 10, 1954, as part of a study on the effects of acceleration and deceleration on humans, John Stapp took a reducer sleigh at Holloman Air Force Base in New Mexico, conducted specialized tests, and finally broke the land speed record at 1,017 kilometers per hour, becoming the fastest man on Earth.
Among modern scientists, the Englishman Kevin Warwick is definitely one of the most distinctive, because for his own scientific career, he dares to experiment on himself, the most famous of which is the implantation of a transmitter in his arm.
Kevin Warwick is known for his research on the interface between computers and the human nervous system as well as biomedical engineering, control systems, artificial intelligence and robotics, and his most famous research project is the "Robotics Project".
The first phase of the project began on August 24, 1998, in which a simple RFID transmitter was implanted under Warwick's skin, with which Kevin Warwick was able to control nearby doors, lights, heaters and other computer-controlled devices, and later also collaborated with Scientists at the University of Reading to create complex neural interface connections directly from Kevin Warwick's nervous system, which was implanted on March 14, 2002, and he successfully controlled the robotic arm.
Although Kevin Warwick's scientific experiment was successful, it also caused some people to question that such technology would make humans less "pure" and what is the difference between robots, but Kevin Warwick did not care about these doubts, he once said that humans will need to use technology to enhance themselves to avoid being surpassed by machines.