“I watched Baeyer activating magnesium with iodine for a difficult Grignard reaction; it was done in a test tube, which he watched carefully as he moved it gently by hand over a flame for three quarters of an hour. The test tube was the apparatus to Baeyer.” DoneHandsThreeDifficultHoursTestsMovedReactionsFlamesQuartersTubesMagnesiumIodine Book:From My Life Source: From My Life