Martin Knudsen. 1871-1949

Cases Treated in 1871

1871 the Descent of Man

ion, General Conceptions, Self-consciousness, Mental Individuality.It would be very difficult for any one with even much more knowledge than I possess, to determine how far animals exhibit any traces of these high mental powers. This difficulty arises from the impossibility of judging what passes through the mind of an animal; and again, the fact that writers differ to a great extent in the mea...

[Robert Kienböck (1871-1953)].

Radiólogo austriaco, sus principales estudios fueron en la radiología aplicada a las enfermedades del esqueleto, así como sus aplicaciones terapéuticas. Kienböck (Figura 1) era hijo de un abogado que nació en Enero 11 de 1871 en Viena, Austria donde realizó todos sus estudios en la Universidad y obtuvo su título en medicina en 1895, un año después viajó a Londres y luego a París donde trabajó c...

Knudsen forces on microcantilevers

When two surfaces at two different temperatures are separated by a distance comparable to a mean-free path of the molecules of the ambient medium, the surfaces experience Knudsen force. This mechanical force can be important in microelectromechanical systems and in atomic force microscopy. A theoretical discussion of the magnitude of the forces and the conditions where they can be encountered i...

Florence Rena Sabin (1871-1953)

Florence Rena Sabin [5] had successful careers as both a researcher and public health reformer. When Johns Hopkins University [6] Medical School opened, accepting women and men on the same basis, Sabin was one of the first to enter. After the successful completion of her MD degree, Sabin went on to become the first female faculty member and later full-time professor at Johns Hopkins. From 1924?...