-Observed that plant materials was composed of cork cells - credited for LAW OF ELASTICITY

FATHER OF MICROBIOLOGY - first to observe microorganisms under microscope

-STRENGTHENED the theory of spontaneous generation - He heated broth; then microbial grew

REPEATED Needham's experiment and suggested that results were due to microorganisms in the air entering the broth

-Father of MODERN PARASITOLOGY -Founder of EXPIREMENTAL BIOLOGY -OPPOSED theory of spontaneous generation -demostrated that MAGGOTS appear on decaying meat only when flies are able to lay egg on the meat

Introduce the concept of BIOGENESIS (life could could only arise from pre-existing living cells)

-Father of MODERN MICROBIOLOGY -credited WITH BIOGENESIS -Demonstrated that microorganisms are in the air but air itself does not create microbes -PASTEURIZATION -Developed the earliest vaccines against CHOLERA, ANTHRAX, RABIES

Cholera

-Father of CHEMOTHERAPY - discovered the first chemotherapeutic agent (salvarsan, arsphenamine, compound 606 {magic bullet}) against SYPHILIS

Causative agent of syphilis

First line tx for syphilis

Discovered the 1st antibiotic (PENICILLIN) from penicillium nonatum through SERENDIPITY

Succeeded in systemically producing a PURE FORM of penicillin through FREEZE DRYING

-Discovered STREPTOMYCIN from STREPTOMYCES GRISUES

CAusative Agent of tularemia

Doc for tularemia

First eradicated disease worldwide

Discovered the first vaccine for SMALL POX/ VARIOLA VIRUS

Developed the method of producing immunity by using antitoxin against DIPTHERIA

Introduced the importance of HANDWASHING and CHLORINATED LIME (CaOCl2)

-Father f ASEPTIC TECHNIQUE -Discovered phenol (CARBOLIC ACID) for surgical equipment

Developed the COMPLIMENT-FIXATION test for syphillis

-Father of VIROLOGY - employed the principles of ENRICHMENT CULTURE -CONFIRMED finding of the VERY FIRST VIRUS

Father of MODERN BACTERIOLOGY -Koch postulate/ disease causation process