“…16 Most recently, he summarized his life's work on denervation of the shoulder, elbow, wrist, and hand joints, but again in German, making his contributions still difficult to access for many hand surgeons. 17 Independently, Cozzi from Argentina dissected more than 500 hands between 1961 and 1980 to study the innervation of the principal joints, above all the metacarpophalangeal joint of the thumb. 18 Surgeons in France, led by Guy Foucher, followed and enthusiastically accepted Wilhelm' s approach.…”