【多选题】Please choose the anecdotes mentioned in the essay. (多选题)
A.
Oppenheimer used to interrupt the speaker in his mentor's seminars, whoever it was, not excluding his mentor, and to step to the blackboard, taking the chalk and declaring: 'this can be done much better in the following manner.'
B.
Oppenheimer discussed his novel with Dirac while they were walking one evening on the walls that surrounded Gottingen.
C.
Oppenheimer liked showing his van Gough to guests, which was part of a small collection he had inherited from his father to which he had never added.
D.
Once, when asked about why he had no school or following and had produced very few students, Dirac remarked that "the really good ideas in physics are had by only one person."
E.
When asked about what he thought the most beautiful line in the English language was, Spender answered without the slightest hesitation, "But look, the morn in russet mantle clad / Walks o'er the dew of yon high eastward hill."