Self reference in objects (Adventure)

[Christopher Maeda <maeda@MCC.COM>]

    From: HANCHE%NORUNIT.BITNET@CUNYVM.CUNY.EDU

    Date: 19 October 1988, 16:51:25 ECT
    From: Harald Hanche-Olsen       +47-7-593525         HANCHE   at NORUNIT
    To:   scheme@mc.lcs.mit.edu

    (I suppose this should be sent directly to Jonathan Dubman who asked
    the question, but my mailer would not accept his monstrous address...)

    To: apple!bionet!agate!e260-3b.berkeley.edu!128a-3aj@BLOOM-BEACON.MIT.EDU

    [...]

Wasn't there a 6.001 problem set on this?  Can't we just send the
sources to this guy and be done with it?