1 of 2

Charles Sanders Peirce 

1839 - 1914

1. Life

  • He was born on 10 September 1839 in Cambridge, Massachusetts, USA
  • He is an American philosopher, logician, mathematician and scientist, and is considered among the greatest of American minds.
  • He is best known as the founder of the largely American philosophical school of Pragmatism

2. Philosophy

  • He made much contribution to Logic.
  • He saw Logic as the formal branch of Semiotics, of which he is a founder .
  • Peirce conceived pragmatism to be a method for clarifying the meaning of difficult ideas through the application of the maxim above
  • In general his ideas involve the association of the Empiricists as well as the notion of spreading activation.

​

3. Work

  • The only books that Peirce had published in his lifetime were the "Photometric Researches" of 1878 and "Description of a Notation for the Logic of Relatives" of 1870.

4. Insight

"Consider what effects that might conceivably have practical bearings you conceive the objects of your conception to have. Then, your conception of those effects is the whole of your conception of the object"

5. Saying

  • The entire universe is perfused with signs, if it is not composed exclusively of signs. 
  • It is not knowing, but the love of learning, that characterizes the scientific man.

Br Deslon Vas SJ

dsvdeslon@gmail.com

Acknowledgement:

https://www.philosophybasics.com)

2 of 2

Jean-Paul Charles Aymard Sartre 

1905 - 1980

1.Life

  • Born in Paris, France on 21 June 1905.
  • French philosopher, writer and political activist, and one of the central figures in 20th Century French philosophy.
  • He is best known as the main figurehead of the Existentialism movement.
  •  He also made significant contributions to Phenomenology.
  • he was awarded the Nobel Prize for Literature, but he declined it in protest against the values of bourgeois society

2. Philosophy

  • 20th Century French philosopher, figurehead of the Existentialism movement..
  • Sartre set out to develop an ontological account of what it is to be human.
  • Sartre firmly believed that everyone, always and everywhere, has choices and therefore freedom

​

3. Work

  • Two of his major works are "L'Être et le néant" ("Being and Nothingness") and Nausea

4. Insights

  • “Man is condemned to be free“
  • Success is not important to freedom.

5. Saying

At first Man is nothing. Only afterward will he be something, and he himself will have made what he will be.

Sch Deslon Vas SJ

dsvdeslon@gmail.com

Acknowledgement:

https://www.philosophybasics.com)