Zielsdorf v. Grotsky

The questions that were here presented concerning the nature and effect of carbon monoxide gas alleged to have been, and relied upon as, the cause of the death, as well as the real cause of the death, were particularly and peculiarly subjects calling for the testimony of experts, persons qualified from knowledge or experience to testify on such matters. Estate of Butt, 181 Wis. 141, 146, 193 N. W. 988; Peacock v. Wis. Zinc Co. 177 Wis. 510, 518, 188 N. W. 641.

Plaintiff relied upon the testimony of a city chemist and the attending physician. The chemist testified in effect that carbon monoxide…