Manners
The next stage in the traditional chart interpretation would be a consideration of the soul or manners. This is something akin to what today we would call 'personality'. The two key areas are the rational, logical mind and ability to communicate and the sensitive or irrational part of the mind.
The first step is to identify the Significator of Manners, according to Lilly we look first for planets in the first House. In the case of Professor X, we find Mercury there, so Mercury becomes our primary significator of manners. We would also consider the planets with dignity in the place of the Significator of manners (ruler and Almuten) and any planets aspecting the significator.
Following our assessment of the significator of manners we would go on to examine Mercury (the rational mind) to assess 'wit and 'understanding' and also to examine the Moon, and its relationship to Mercury, in order to assess the balance between the rational and intuitive side of personality.
So, starting with the Significator of Manners. As we have seen Mercury is weak in essential dignity but does have a strong placement in the first, is swift in motion and is occidental, both of which add more to the overall strength. Mercury on balance has positive strength but not a lot of strength. So a real capability to learn, studious, guileful and divining well but may be a bit inconsistent and, if pushed may be a little malicious.
The balance between rational and irrational mind is given by the balance of strength between Mercury and the Moon (this is true for everyone, whatever their significator of manners). Both planets are peregrine but the Moon is low in accidental dignities, being in the twelfth, combust and squared by Mars. So the rational logical mind predominates and will usually master the passions but possibly at the cost of mistrusting the 'lunar dimension' of life, either in oneself or in others. Indeed others may be seen as too dominated by their emotions or unable to think in a straight and capable way.
Mercury is swift in motion which Lilly characterises as rendering 'inconstant men but quick of apprehension, oft changing their opinions but yet will give good reason for their opinions'.
Mercury occidental gives a 'dissembler' - someone prone to be destructive of others ideas though the extent of this would be modified by Mercury's ruler - which is Venus. That might mute the tendency but as Venus is also weak and retrograde that muting might not be as gracious as we might expect.
Mercury in an air sign gives a witty nature and possibly good at languages. Mercury in the Ascendant a good capacity and wit for employment!
On the less positive side, signs of a weak mind would be Mercury peregrine and the fact that Mercury makes no contact with the Moon.
Mercury is ruled by Venus, and also Saturn and Venus are the two planets with the most dignity at Mercury's location. We need to recognise that neither of these two will add much strength to Mercury. Venus is Retrograde and in the twelfth, Saturn is in detriment, though better placed in the eleventh. Neither of these two aspects Mercury and Mercury does not aspect any other planet. This might well weaken Mercury by making it more difficult to express well.
Lilly says that when well placed or well dignified, Mercury signifies a man of subtle and political brain, intellect and cognition; an excellent disputant, logician...eloquent in speech, sharp and witty..learning almost anything without a teacher'. Very similar to Professor X's remarks at the outset.
Lilly goes on to say that when ill dignified or ill placed, Mercury signifies a troublesome wit, a kind of phrenetick man, his tongue and pen against everyman and spending his time trying nice conclusions to no purpose.
Here we have Mercury ill dignified but well placed so neither of these extremes are going to hold true.
So we have a person who has a melancholic/choleric temperament with probably above average intelligence but may be inconsistent, doesn't care much for people who express themselves in an emotional way and may be viewed by others in turn as a bit of a dissembler, rather than a constructive force.
That concludes the 'general' side of chart interpretation. The traditional chart analysis would now procede to examine the chart on a house by house basis to examine all aspects of the native's life and future. I don't have time to do that unless I'm offered and exhorbitant fee LOL.