2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47920The problem of our understanding of the spin structure of the nucleon has been with us since the publication of the EMC measurements of the polarised structure function of the proton in 1987. In this talk a brief history of the subject is given followed by a review of the results presented in this workshop and the progress made to date.15 pages with 2 figures, LaTex, uses sprocl.sty and epsfig.sty. Summary talk of Spin Physics working group at the $6^{th}$ International Workshop on Deep Inelastic Scattering and QCD, Brussels (1998). Corrected some typos and added a referenceHigh Energy Physics - Phenomenologytext