People have different opinions about this question, for example if it was for mathematics i would say Albert Einstein, for physics Isaac newton.
My personal opinion is Albert Einstein.
If your grandfather is someone's great uncle, that person may be your second cousin.That is the case only if your grandfather is that person's great uncle because he is the brother of that person's grandfather or grandmother.If he is the great uncle because he married a sister of that person's grandmother or grandfather, then you and that person are not related.
His work was great, his person may have had flaws.
It means the great-great-grandparents of one person are the great-great-great-great-great-great-grandparents of the other person.
If your great grandparent is another person's great great great grandparent, the other person could be related to you in one of several different ways. That person could be your:grandchildgreat niece or great nephewfirst cousin, twice removedsecond cousin, twice removed
Yes he was a real person. He is my great great great grandpa..you might not believe me but he was a real person
You can start by not assuming that "being a great person" is all about sex.
Great Great Aunt
The direct descendents of a person are that person's children, grandchildren, great-grandchildren, etc. The direct descendents can trace their ancestry directly back to the person. For example, you are your great-great-grandmother's direct descendent, but you are not the direct descendent of your great-great-grandmother's sister.
any great, (great great) etc. grandparents
great wonderful the best great at his or her job
A great person is laudable. A great person may be likeable and limitless in achievements.
Magnificent, marvelous and mighty describe a great person. They begin with M.