This tag collects letters to a correspondent (or correspondents) identified in the published Igros Kodesh only as "Elchanan HaKohen," from the 1940s to about 5720 (1960). It may include more than one person.
Chassidus and belief. The early letters explain why Techiyas HaMeisim must take place physically, not only spiritually (IK 200), why Rosh Hashanah commemorates the creation of man (IK 249), the unique role and blessings of a Kohen (IK 402), and how seeing the image of a tzaddik inspires spiritual strength (IK 458).
Outreach. Inspiring someone to resume putting on tefillin is an act of immense merit (IK 2701). Chanukah teaches us to keep increasing light (IK 5018), and true Jewish unity means harmonizing body and soul (IK 8090).
Sources: the Rebbe's letters cited above.