Stanisław Lech Woronowicz is a mathematical physicist from Warsaw, a specialist in operator algebras and one of the founders of quantum group theory.
Compact matrix pseudogroups, Commun. Math. Phys. 111, 613–665 (1987) euclid MR0901157
Differential calculus on compact matrix pseudogroups (quantum groups) Commun. Math. Phys. 122, 125–170 (1989) euclid MR0994499
Tannaka-Krein duality for compact matrix pseudogroups, Twisted SU(N) groups, Inventiones Mathematicae 93, No. 1, 35-76, doi
Unbounded elements affiliated with $C^*$-algebras and non-compact quantum groups, Commun. Math. Phys. 136, 399–432 (1991) euclid MR1096123
$C^\ast$-algebras generated by unbounded elements, pdf
S. L. Woronowicz, K. Napiórkowski, Operator theory in $C^\ast$-framework, Reports on Mathematical Physics 31, Issue 3 (1992), 353-371,