Carlota and Marshall Lindsay obtained their Ph.D. degrees at the University of Minnesota and Columbia University, respectively. They both taught in higher education before they started a preschool ...lihat lebih banyakCarlota and Marshall Lindsay obtained their Ph.D. degrees at the University of Minnesota and Columbia University, respectively. They both taught in higher education before they started a preschool and day-care center in Oregon, where they reside.lihat lebih sedikit