Friedrich Zander (born into a German family in Riga, Latvia), T Romanovskis, Comment on ‘Families of Keplerian orbits’, European Journal of Physics Eur. J. Phys. 25 (2004) L17–L19 PII: S0143-0807(04)64910-5 [1]
li.lv
Another distinguished German from Riga was Friedrich Zander (1887-1933), who graduated from the Mechanics Department of Riga Polytechnic Institute in 1914 and remained there to pursue research which culminated in the construction of the first rocket., Contribution of Baltic Germans to Science The Latvian Institute
