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1)What year did The Tuskegee Institute open the first “HeLa factory,” supplying cells to laboratories and researchers and operating as a nonprofit? What was the name of the company that would begin selling Hela for profit?
            The Tuskegee Institute opened the first "Hela factory" in 1952. The first company that would begin selling Hela for profit was called  Microbiological Associates .

2) What year was Henrietta Lacks born?

               Henrietta Lacks is born in 1920.

3)What year did George Gey successfully culture the first immortal human cell line using cells from Henrietta Lacks’s cervix? Why was it given the name HeLa?
                    George Gey successfully cultures the first immortal human cell line using cells from Henrietta Lacks’s cervix in 1951. It is given the name HeLa after the first two initials of Henrietta’s first and last names.

4)What year did scientists use HeLa cells to help develop the polio vaccine?
           The scientists use HeLa cells to help develop the polio vaccine  in 1952.

5)What is the name of the hospital where Henrietta was treated for cervical cancer? In what year was it founded?    
               the name of the hospital called Johns Hopkins Hospital. it found in 1889.

6)What year did HeLa cells become the first cells ever cloned?
              HeLa cells become the first cells ever cloned in 1953.