worked on taxonomy of grasses, specifically bamboo
Dr. Gregorio Velasquez
International contribution on Philippine Algae, Father of Phycology
Father Manuel Blanco
the author of Flora de Filipinas Segun al Systema Sexual de Linnaco, botanical illustrations of plant specimens that grew into the Philippines herbarium
K.B. Mullis
amplified certain segments of a DNA strand using the polymerase chain reaction (PCR) method
Arthur Kornberg and Severo Ochoa
produced DNA and RNA articially
Rosalind Franklin
woman who generated x-ray images of DNA with Maurice Wilkins and Linus Pauling, povided Watson and Crick with key data about DNA
James Watson and Francis Crick
credited with building the first correct model of the structure of DNA
Thomas Hunt Morgan
bred fruit flies, and supported the the theory of chromosomal inheritance by finding that a specific gene is carried on a specific chromosome
Robert Whittaker
proposed the 5-kingdom scheme: monerans, protists, fungi, plants, and animals
George Evelyn Hutchinson
known for his ecological studies of freshwater lakes and is considered the father of modern ecology
Herman Joseph Muller
revealed that x-rays could produce mutations
Karl Landsteiner
discovered blood types
Sir Rowland Biffen
pioneered in the breeding of wheat that is resistant to a disease which is caused by certain microscopic fungi
Petrovich Pavlov
behaviorism - pavlov's dogs
Asa Gray
specialized in the classification of plants, trees, and flowers
Louis Agassiz
studied fossil fish, recognized geological evidence that ice ages had occurred in North America (1807-1873)
Robert Koch
developed the germ theory of disease
Louis Pasteur
debunked spontaneous generation
Gregor Johann Mendel
Father of genetics
Charles R. Darwin
proposed the theory of evolution where the environment is said to determine whether or not a variation can improve the survival of a group of organisms
Matthias Schleiden and Theodor Schwann
proposed cell theory
Baron Cuvier
the first to compare the anatomy of various animals with humans
Carolus Linnaeus
Father of taxonomy, proposed the use of binomial nomenclature that is still used today in naming all types of organisms
Robert Hooke
described cell walls of cork as tiny boxes
Anton van Leuwenhoek
first to observe bacteria and protozoa using a simple microscope which he built
William Harvey
showed how blood circulates through the human body
Andreas Vesalius
Father of Anatomy
Aristotle
made the first ever known classification system for all living things
Aristotle and Pliny the Elder
collected many facts about plants and animals
Hippocrates
Father of medicine, has made great influence on the development of medicine as well as on the ethics and ideals of a physician
Anaximander
developed a theory that human beings evolved from fish