BOSTON, June 4 - A majority of Harvard alumni believe that the university's president, Lawrence H. Summers, has done a good job over all and should not resign, according to a poll conducted for a new independent alumni magazine. In January, Dr. Summers ignited a firestorm when he suggested that "intrinsic aptitude" could be one reason that there are few women in science and engineering. The Faculty of Arts and Sciences in March passed a resolution expressing a lack of confidence in Dr. Summers's leadership. The majority of respondents to the survey, 62 percent, said they disagreed with Dr. Summers's...