Who were the first evolutionists and what were they famous for?

Questioned the age of the Earth
Noticed that fossils were slightly different from the organisms presently alive
Proposed that the Earth was millions of years old
Was the first to propose an evolutionary model
Understood that organisms change with time
Explained the changes in organisms occrued through adaption
Reasoned that the changes in organisms were directed by the organism itself
The name of his theory became the Theory of Acquired Characteristics
Believed in spontaneous generation and that all living things moved up a ladder of complexity (Scala Naturae) driven by a force to make order
Set on his five year journey to the Galapagos Islands in 1831
Thought of the theory of evolution
Proposed that the Earth changed gradually over time due to earthquakes, erosion, flooding, volcanic eruptions
Had noticed many of the same things that Darwin had and sent a letter to Darwin in 1858 outlining his theory for how organisms change with time
An economist
Stated that populations grow much faster than their ability to provide resources for themselves
Believed that organisms at would need to compete for finite resources