31. Dr. O. T. Avery (in lounge chair)

Format:

Still Image

32. Dr. O. T. Avery--Deer Isle, Maine

Format:

Still Image

33. Oswald T. Avery, Rockefeller Institute

Format:

Still Image

34. Oswald T. Avery

Format:

Still Image

35. Rockefeller Institute for Medical Research hospital staff

Format:

Still Image

36. Fred Griffith and "Bobby"

Format:

Still Image

37. Rockefeller Institute for Medical Research hospital staff

Format:

Still Image

38. Colin M. MacLeod

Format:

Still Image

39. Alphonse R. Dochez

Format:

Still Image

40. Rockefeller Institute for Medical Research hospital staff

Format:

Still Image