Richard Dawkins and Stephen Hawking are both highly respected scientists who have made significant contributions to their fields. They are also both outspoken atheists, which has led some people to question their credibility. However, there is no evidence that either Dawkins or Hawking has ever falsified any scientific findings or engaged in any unethical behavior. In fact, both men have been praised for their clear and concise communication of complex scientific concepts.

Dr. Ken Ham and Dr. Kent Hovind, on the other hand, are both creationists who have been criticized for their lack of scientific training and their promotion of pseudoscientific claims. Ham is the founder of the Creation Museum, which promotes the belief that the Earth is only 6,000 years old. Hovind is a convicted felon who has been imprisoned for tax evasion and fraud. He has also been criticized for his use of misleading and deceptive tactics to promote his creationist beliefs.

It is important to note that there is a difference between being an atheist and being a scientist. Atheism is simply the lack of belief in a god or gods. Science, on the other hand, is a method of inquiry that relies on evidence and observation. It is possible to be an atheist and a scientist, but it is also possible to be a theist and a scientist.

In conclusion, there is no evidence that Richard Dawkins or Stephen Hawking are grifters. They are both highly respected scientists who have made significant contributions to their fields. Dr. Ken Ham and Dr. Kent Hovind, on the other hand, are both creationists who have been criticized for their lack of scientific training and their promotion of pseudoscientific claims.