DR. SIMPSON ON OPERATIVE MIDWIFERY.

Operative Midwifery

Operative Midwifery

The five years which have elapsed since the publication of the last edition of this book have seen a steady progress in the movement which has been converting midwifery from a branch of medicine into an art requiring a thorough and practical knowledge of surgery. The book faithfully represents up-to-date practice in this respect, the author's advice being always based on sound surgical principl...

Clark A . Rosen , C . Blake Simpson Operative Techniques in Laryngology

On the Deligne-Simpson problem

The Deligne-Simpson problem is formulated like this: give necessary and sufficient conditions for the choice of the conjugacy classes Cj ⊂ SL(n,C) or cj ⊂ sl(n,C) so that there exist irreducible (p + 1)-tuples of matrices Mj ∈ Cj or Aj ∈ cj satisfying the equality M1 . . .Mp+1 = I or A1 + . . .+Ap+1 = 0. We solve the problem for generic eigenvalues with the exception of the case of matrices Mj ...

Sir James Y Simpson and London's "conservative and so curiously prejudiced" Dr Ramsbotham.

The history of medicine division of the National Library of Medicine has in its manuscripts collection a body of correspondence that vividly describes the strong views held by James Y Simpson in espousing the use of obstetric anaesthesia. The collection consists of 31 letters written by Simpson, mostly from Edinburgh, to the London obstetrician Francis Henry Ramsbotham during the years 1844-53 ...