He turned down many offers to leave tuskegee institute to become a scientist in private industry .
他拒绝了许多让他离开塔斯克基学院到私人企业做科学家的邀请。
The first place to produce hela samples on an industrial scale was the tuskegee institute-where , at the same time , syphilitic black men were left untreated so doctors could observe the progress of the disease .
The us doctor behind the guatemala study , cutler , was also involved in a highly controversial study known as the tuskegee experiment in which hundreds of african american men with late-stage syphilis were observed given no remedial treatment for 40 years , between 1932 and 1972 .
