Scientists And Their Inventions

Open

Cardiologist - Heart doctor.
Dentist - Tooth doctor.
Dermatologist - Deals with skin problems.
Endocrinologist - Deals with the problems of thyroid and ductless glands.
Gastrologist - Deals with digestive system problems.
Nephrologist - Kidney doctor.
Neurologist - Deals with the problems of Brain and nerves.
Obstetrician - Deals with pregnancy and birth.
Oncologist- Cancer doctor.
Ophthalmologist - Eye doctor.
Pediatrician - Child doctor.
Podiatrist - Foot doctor.
Psychiatrist - Deals with mental health.
Rheumatologist - Deals with treatment of arthritis and other diseases of the joints, muscles and bones.
Urologist - Deals with bladder.
...

Open

Open

Problems Type 1: .

A can finish work in X days. .

B can finish work in Y days.


Both can finish in Z days = (X*Y) / (X+Y). .


Problems Type 2: .

Both A and B together can do work in T days.

A can do this work in X days.


then, B can do it in Y days = (X*T) / (X-T) .


Problems Type 3: .

A can finish work in X days.

B can finish work in Y days.

C can finish work in Z days.


Together they can do work in T days = (X*Y*Z)/ [(X*Y)+(Y*Z)+(X*Z)] .


Problems Type 4: .

A can finish work in X days.

B can finish work in Y days.


A*X = B*Y.

...

Open

Open

Father of cloning = Ian Wilmut.
Father of computer = Charles Babbage.
Father of computer science = Alan Turing.
Father of Co-operation = Robert Owen.
Father of economics = Adam Smith.
Father of English Poetry = Geoffrey Chaucer.
Father of Essay = Montaigne.
Father of Genetics = Gregor Mendel.
Father of Greek Democracy = Clesthenes.
Father of Green Revolution = Norman Borlaug.
Father of history = Herodotus.
Father of internet = Vint Cerf.
Father of Jurisprudence = John Locke.
Father of Modern Cartoon = William Hogarth.
Father of Modern Tourism = Thomas Cook.
Father of Nuclear Physics = Rutherford.
Father of Printing = Guttenberg.
Father of psychology =  Wilhelm Wundt.
Father of Reformation = Martin Luther King.
Father of Renaissance = Petrarch.
Father of Science = Galileo Galilei. LIN...

Open