Professor S. 5piege Lrnrri,
Dep3rtt1ient of ?,!icrobiol(;gy ,
I!riiversity of I11 il:ois,
127 Eurrill liall,
IJr-l)ar,a,
ll.lirlois 61803.

Dear Professor Spiegelrxan,

I ttonder if you could seiid :iie slopes of yuur tvVo c.treiiis

AlS arrd 413.   I am haviizg a little bit  of difficulty nith the
iii vitro phzge  ijrote irt s.j.iitheses due to  tlie prt..serice of K?.Aase.

I ani ~~onderin;; ho:, sic,i Ir:r your <$ i E t', our ZLK/l. Could

you tell me its base-ratio and coat-proteir. coinposition? : e
have done hoth and found tiie:? quite distirlct froni ?,:S2, it17 etc.

   Fina 1 ly I $%as ~~onderi1~~. hoii tiii r, s are progressir,g !:ith
reliard to the posc;ibility of xy corning; to i.ork iii your lab for &- bck
year or so. iio you lcrio\\ anyt! irt:, def iriitc yet? Probably after
a stay iri America 1 clay iielf ci)iIli: b::c!. hcre aiid v50rh nith "artin
Pollock and Bill Hayes xiio are organisin:; a ne\! kpartnicnt on
tli i s site - the bui ldi rig of Liieir dcpzrtrrient is in progress but
won't be completed for 18 [,iontits or so.

nr

Looking for:.arri tc; heari ri; fro:- you.