There are spokespeople for all lectures in the first year. They are your contact persons for problems or wishes regarding the lectures.
The spokespeople for this semester (SS21) are:
for Analysis II and Linear Algebra II:
for Physics II:
for Numerical Analysis I:
for Introduction to Numerical Methods:
In the first year of RW the spokesperson for Datenstrukturen und Algorithmen is :
The spokespeople for all other courses of the first year can be found here and here