Daniel Lichtenstein, medical intensivist, Ambroise-Paré Hospital (Paris), created holistic critical ultrasound in 1985 (Intensive Care Med 1993;19:353-355), defined by simple equipments, one universal probe for whole body, emphasis on lung, holistic cardiac sonography, veins, procedures (venous canulation...) extrapolable to multiple disciplines (pediatrics, pulmonology...), settings (ICU, austere areas...). Six hundred conferences. Six textbooks since 1992 (latest “Lung ultrasound in the criticall ill - the BLUE-protocol” - Springer 2016). Original articles including: BLUE-protocol (acute respiratory failure), FALLS-protocol (lung ultrasound in circulatory failure), SESAME-protocol (cardiac arrest), lung ultrasound in neonates. President of CEURF (training center at bedside in I.C.U.).