Obituary

from the International Society for Animal Hygiene (ISAH) dedicated to

Professor Dr. Ir. Martin Tielen (1942–2026).

With deep sadness and great respect, we announce the passing of our honorary member, Professor Dr. Ir. Martin Tielen, one of the most outstanding and influential personalities in our society for many decades. Martin Tielen was an internationally renowned scientist, inspiring academic, and highly recognized member of the international animal hygiene and veterinary community. His passing marks the loss of an exceptional personality whose scientific achievements, international leadership, and commitment to young researchers have left a lasting legacy. For many of us, his passing means the loss of a mentor, a visionary leader, a dedicated supporter of the next generation and a dear friend.

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