The ‘Sensational 60’ list is part of NSF’s 60th anniversary celebration. The Panel Study of Income Dynamics is a longitudinal study of a representative sample of U.S. men, women and children, and the families in which they reside. Bob Schoeni is PSID’s principal investigator. Co-principal investigators include: Charles Brown, Jacquelynne Eccles, Vicki Freedman, Narayan Sastry, and Frank Stafford.