What can one life teach about the unfolding of opportunities into developing careers? From a 20th century social scientist at the forefront of science education and science policy who transitioned between positions in universities, federal agencies, and nonprofit organizations, we learn 21st century lessons. Daryl Chubin speaks to students, educators, and program directors about demographic changes, forms of scholarship, the functions of community, and marginality as an analytical perspective on the contexts of careers. As physicist-historian Thomas Kuhn asserted in his 1977 book, The...