Columbia University [Students looking at a compression machine.]
Columbia University [Students looking at a compression testing machine.]
Columbia University [Student at a typewriter.]
Columbia University [Students talking.]
Columbia University [Professor with a student.]
Columbia University [Students in a bar.]
Columbia University [Group of students.]
Columbia University [Professor talking to a student.]
Columbia University [Students in a study lounge.]
Columbia University [Students in a seminar or study group.]
Columbia University [Students talking in front of a mural.]
Columbia University [Students and professors in a meeting.]
Columbia University [Students hugging.]