Popper is known for his rejection of the classical inductivist views on the scientific method, in favour of empirical falsification: A theory in the empirical sciences can never be proven, but it can be falsified, meaning that it can and should be scrutinized by decisive experiments. He used the black swan fallacy to discuss falsification. If the outcome of an experiment contradicts the theory, one should refrain from ad hoc manoeuvres that evade the contradiction merely by making it less falsifiable. Popper is also known for his opposition to the classical justificationist account of knowledge, which he replaced with critical rationalism, "the first non-justificational philosophy of criticism in the history of philosophy." 

Karl Popper was born in Vienna (then in Austria-Hungary) in 1902, to upper middle-class parents. All of Karl Popper's grandparents were Jewish, but the Popper family converted to Lutheranism before Karl was born, and so he received Lutheran baptism. They understood this as part of their cultural assimilation, not as an expression of devout belief. Karl's father Simon Siegmund Carl Popper was a lawyer from Bohemia and a doctor of law at the Vienna University, and mother Jenny Schiff was of Silesian and Hungarian descent. After establishing themselves in Vienna, the Poppers made a rapid social climb in Viennese society: Simon Siegmund Carl became a partner in the law firm of Vienna's liberal Burgomaster Herr Grübl and, after Grübl's death in 1898, Simon took over the business. (Malachi Hacohen records that Herr Grübl's first name was Raimund, after which Karl received his middle name. Popper himself, in his autobiography, erroneously recalls that Herr Grübl's first name was Carl.) His father was a bibliophile who had 12,000–14,000 volumes in his personal library. Popper inherited both the library and the disposition from him. QUESTIONS:

Q1:
1. What is the name of the city where Karl Popper was born?
2. Karl Popper was born in which city?
3. 
Q2:
1. In what year was Karl Popper born?
2. Karl Popper was born in what year?
3. 
Q3:
1. What is Karl Popper known for?
2. Karl Popper is known for which views?
3. 
Q4:
1. Karl Popper is known for his rejection of which method?
2. Karl Popper is known for not agreeing with what popular method?
3. 
Q5:
1. Did Karl Popper believe that one could prove a scientific theory?
2. Could a scientific theory be proven according to Karl Popper?
3. 
Q6:
1. What is the name of the fallacy that was used by Karl Popper?
2. Karl Popper used a fallacy that went by what name?
3. 
Q7:
1. What was the total number of books that Karl Popper's father owned?
2. Karl Popper's father owned how many books?
3. 
Q8:
1. What was the religion of Karl Popper's grandparents?
2. Which religion did Karl Popper's grandparents follow?
3. 
Q9:
1. What is the name of the religion that Karl Popper ended up following?
2. Karl Popper ended up following which religion?
3. 
Q10:
1. What was the name of Karl Popper's theory?
2. What was Karl Popper's theory called?
3. 
Q11:
1. Did Karl Popper get baptised because of what he believed in?
2. Were Karl Popper's religious beliefs the cause for his baptism?
3. 
Q12:
1. What did Karl Popper's father do for a living?
2. What was Karl Popper's profession?
3. 
