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Fritz SchaudinnBorn 19 Sep 1871; died 22 Jun 1906 at age 34.Fritz Richard Schaudinn was a German zoologist and microbiologist who, with dermatologist Erich Hoffmann, discovered (1905) the spirochaete which causes syphilis, Spirochaeta pallida, now known as Treponema pallidum. Schaudinn determined the amoebic nature of tropical dysentery, worked on trypanosomes (flagellated protozoans which include the causal agent of African sleeping sickness, an infection of the bloodstream) and researched malaria. He also demonstrated that human hookworm infection is contracted through the skin of the feet. He made important contributions to zoology and helped develop protozoology as an experimental science. He also discovered the alternation of generations in Foraminifera and Coccidae.«
A man went to the dental surgeon to have a tooth pulled. The dentist pulled out a freezing needle to numb the area.
"No way! No needles! I hate needles," the patient shouted.
The dentist started to hook up the laughing gas and the man again objected.
"I can't do the gas thing!” the man protested. “The thought of having a gas mask on is suffocating to me!"
The dentist then asked if the man had any objection to taking a pill.
"No," the patient said. "I am fine with pills."
The dentist said, "Here is a Viagra tablet."
The patient replied: "Wow! I didn't know Viagra works as a pain pill!"
"It doesn't," said the dentist, "but it will give you something to hold onto when I pull out your tooth."