Question:
Who was the owner of Voynich manuscript in Apr, 1963?

Context:
 Voynich manuscript is owned by Yale University from Jan, 1969 to Jan, 1969. 
 Voynich manuscript is owned by Hans P. Kraus from Jan, 1961 to Jan, 1969. 
 Voynich manuscript is owned by Ethel Lilian Voynich from Jan, 1930 to Jan, 1960. 
 Voynich manuscript is owned by Jan Marek Marci from Jan, 1662 to Jan, 1665. 
 Voynich manuscript is owned by Wilfrid Voynich from Jan, 1912 to Jan, 1930.

Answer:
Question:
Who was the owner of Voynich manuscript in Apr, 1963?

Context:
 Voynich manuscript is owned by Yale University from Jan, 1969 to Jan, 1969. 
 Voynich manuscript is owned by Hans P. Kraus from Jan, 1961 to Jan, 1969. 
 Voynich manuscript is owned by Ethel Lilian Voynich from Jan, 1930 to Jan, 1960. 
 Voynich manuscript is owned by Jan Marek Marci from Jan, 1662 to Jan, 1665. 
 Voynich manuscript is owned by Wilfrid Voynich from Jan, 1912 to Jan, 1930.

Answer:
user
Hans P. Kraus
assistant
Question:
Who was the owner of Voynich manuscript in Apr, 1963?

Context:
 Voynich manuscript is owned by Yale University from Jan, 1969 to Jan, 1969. 
 Voynich manuscript is owned by Hans P. Kraus from Jan, 1961 to Jan, 1969. 
 Voynich manuscript is owned by Ethel Lilian Voynich from Jan, 1930 to Jan, 1960. 
 Voynich manuscript is owned by Jan Marek Marci from Jan, 1662 to Jan, 1665. 
 Voynich manuscript is owned by Wilfrid Voynich from Jan, 1912 to Jan, 1930.

Answer:
user
Ethel Lilian Voynich
Jan Marek Marci
Wilfrid Voynich
Yale University
assistant
Question:
Who was the owner of Voynich manuscript in Apr, 1963?

Context:
 Voynich manuscript is owned by Yale University from Jan, 1969 to Jan, 1969. 
 Voynich manuscript is owned by Hans P. Kraus from Jan, 1961 to Jan, 1969. 
 Voynich manuscript is owned by Ethel Lilian Voynich from Jan, 1930 to Jan, 1960. 
 Voynich manuscript is owned by Jan Marek Marci from Jan, 1662 to Jan, 1665. 
 Voynich manuscript is owned by Wilfrid Voynich from Jan, 1912 to Jan, 1930.

Answer:
user
Hans P. Kraus
assistant