I lT, TT{PT chuy€n lf Quy DO n; Kh6nh Hitaz Nguydn
o Dinh li Pdngxl A ShAyne @ncele t Steiner)
Dinh li khing dinh ring kh6ng thd tim du,oc
ttm cria m6t duong trbn chi bdng thudc thing
qua m6t s6 hftu han c6c thaq tdc.
(km fiAp bia 3)
ffiilsrE r r{ E R - lY l4i ld*l, l,Qt li"
Giacop Stayne (18/311796 - U4/1863) sinh & bang Becno (Berne) nudc Thuy Si, con trai m6J
chri trang trai nOn hdi nh6 chi di chan ciru. Ddn
nam 14 tudi anh m6i duo.c tdi truhng hoc &
Yvecd6ng (Yverdon) cira nhi su pham ndi tidng Petxtal6di (Pestalozzi). Phuong ph6p gi6ng day
theo hu6ng tim tbi, ggr m& cira Pestalozzi dd,
girip Steiner bQc lQ nhfrng khi nang truc gii{c kh6c thulng vd hinh hoc. Sau d6 Steiner tidptuc
h,o. c vi t6t nghiQp & trudng dai hgc Haidenboc
(Heidelberg) (1821) nudc Drlc. Ong di day tu &
Beclin (Berlin) thfi dO nu6c Drlc tru6c khi duo.c
gi6ng day to6n chinh thrlc tai truong ki thuAt Gewerbeakademie. Vio ltic d6 (1826) nhi to6n hoc, ki su Oguyxto Coren (Crelle A.) xudt bin
mOt tap chi vd to6n hoc thudn triy vi rlng dung. Steiner dd c6ng bd nhidu c6ng trinh tr6n tap chi
niy n€n dd duo. c c6c vi6n si Vi€n Hin lflm khoa
hoc Berlin li Giac6bi, Coren, Humb6n (K.G.
Jacobi, A.L. Crelle, A. Humboldt) tich cuc irng hO dd tr6 thinh gi6o su trudng dai hoc'Berlin (tir 1835).
Cdc tdc phdm chinh ctra Steiner lh :
"DEng hinh bing thuoc thing vir m6r duong rrbn kh6ng ddi" (1833).
"Ph6t tridn c6 h€ rhdng rinh phu rhu6c l6n nhau cfta cdc cdc hinh dang hinh hoc" (1834).
"Vri cdc gi6, ti lon nhdt vi nh6 nhdt cira cr{c
hinh ph6ng vi mdt cdu" ( 1842).
Cr4c c6ng trinh cria 6ng liOn quan ddn hinh
hoc xa inh. Khi nghi€n crfu hinh hoc Steiner
kh6ng sir dung phuong ph6p giAi tich mi thi6n vd phucrng phr{p tdng hgp, kh6o s6t ph6p bidn
d6i c6c tAp hgp didm.
Nim 1834, 6ng duoc bdu lim vi€n si Vi€n
hln l6m khoa hoc Berlin. Vd sau Vi€n HLKH
Berlin dd lap giii thuong Steiner.
Gi6i thieu v6i c6c ban m6t cdch didn 6 cht
nhu hinh b0n, ddng thdi xin irao tang phdm cho 5 ban dd gfti bni s6rn vd TS :
L€ DrtcVi€tThdng,72128, Binh Th6i, Phuong
14, QuAn 11, Tp. Hd Chi Minh ; Trdn Diau
Linh, 6C, THCS Nguy6n Tr6i, Son La ; Dinh
)fudn Hdi,10A1, Khdi PTCTT, DH Vinh, Ngh6
Ln ; Trdn Minh Tri, 10I, TIIPT B6c D6ng
Quan, D6ng Hung, Th6i Binh ; Nguy,ln Manh
Ctdng, 10A1, THm NgO Gia Ttt, L4p Thach,
VInh Phtic.
NGOC HIEN
I